advance_math library

Dart package for matrix or list operations The library was developed, documented, and published by Charles Gameti

Classes

AbsorbedDose
The mean energy imparted to matter per unit mass by ionizing radiation. See the Wikipedia entry for Absorbed Dose for more information.
AbsorbedDoseRate
The rate of mean energy imparted to matter per unit mass by ionizing radiation. See the Wikipedia entry for Absorbed Dose for more information.
AbsorbedDoseRateUnits
Units acceptable for use in describing AbsorbedDoseRate quantities.
AbsorbedDoseUnits
Units acceptable for use in describing AbsorbedDose quantities.
Acceleration
The rate of change of speed of an object. See the Wikipedia entry for Acceleration for more information.
AccelerationUnits
Units acceptable for use in describing Acceleration quantities.
Activity
A measure of the effective concentration of a species in a mixture. See the Wikipedia entry for Thermodynamic activity for more information.
ActivityUnits
Units acceptable for use in describing Activity quantities.
AmountOfSubstance
The size of an ensemble of elementary entities, such as atoms, molecules, electrons, and other particles. See the Wikipedia entry for Amount of substance for more information.
AmountOfSubstanceUnits
Units acceptable for use in describing AmountOfSubstance quantities.
Angle
A planar (2-dimensional) angle, which has dimensions of 1 and is a measure of the ratio of the length of a circular arc to its radius.
AngleConstants
AngleRange
An immutable angle range with a start angle, an end angle and an implicit direction.
AngleUnits
Units acceptable for use in describing Angle quantities.
AngularAcceleration
The rate of change of angular speed. See the Wikipedia entry for Angular acceleration for more information.
AngularAccelerationUnits
Units acceptable for use in describing AngularAcceleration quantities.
AngularMomentum
A measure of the quantity of rotation of a system of matter, taking into account its mass, rotations, motions and shape. See the Wikipedia entry for Angular momentum for more information.
AngularMomentumUnits
Units acceptable for use in describing AngularMomentum quantities.
AngularSpeed
The rate of change of an angle. See the Wikipedia entry for Angular_velocity for more information.
AngularSpeedUnits
Units acceptable for use in describing AngularSpeed quantities.
Annulus
A class representing an annulus (a ring-like shape).
ApostrophusRomanNumeralsConfig
Use ApostrophusRomanNumeralsConfig to use special symbols from the Roman era for 500, 1,000; 5,000; 10,000; 50,000; 100,000, and 1,000,000 - these are ⅠↃ, ⅭⅠↃ, ⅠↃↃ, ⅭⅭⅠↃↃ, ⅠↃↃↃ, ⅭⅭⅭⅠↃↃↃ, CCCCIↃↃↃↃ. Maximum value: 3,999,999.
Area
The extent of a two-dimensional figure or shape. See the Wikipedia entry for Area for more information.
AreaUnits
Units acceptable for use in describing Area quantities.
BaseLeastSquares
The BaseLeastSquares class is used to perform a least squares fit to the given model, specified by matrix A and column vector b. It supports weighted least squares with an optional weight matrix W,
BBP
Computes the value of π using the BBP (Bailey-Borwein-Plouffe) algorithm. The BBP algorithm is an efficient method for calculating digits of π without computing the entire value. This implementation calculates the specified number of digits of π.
Bidiagonalization
Binary
Represents an integer as a binary number.
CalendarYear
The period of 365 days (or 366 days in leap years) starting from the first of January; used for reckoning time in ordinary affairs.
Capacitance
The ability of a body to store an electrical charge, See the Wikipedia entry for Capacitance for more information.
CapacitanceUnits
Units acceptable for use in describing Capacitance quantities.
CatalyticActivity
The increase in rate of a chemical reaction caused by the presence of a catalyst. See the Wikipedia entry for Catalysis for more information.
CatalyticActivityUnits
Units acceptable for use in describing CatalyticActivity quantities.
Charge
The property of matter that causes it to experience a force when placed in an electromagnetic field See the Wikipedia entry for Electric charge for more information.
ChargeDensity
Electric charge per unit volume of space. See the Wikipedia entry for Charge density for more information.
ChargeDensityUnits
Units acceptable for use in describing ChargeDensity quantities.
ChargeUnits
Units acceptable for use in describing Charge quantities.
ChineseRemainderTheorem
Utility class to solve a set of congruence equations using the Chinese Remainder Theorem (CRT).
CholeskyDecomposition
Chudnovsky
Calculates the value of pi using the Chudnovsky algorithm.
Circle
Represents a Circle in a 2D space.
ColumnMatrix
Column class extends Matrix and represents a single column in a matrix.
CommonRomanNumeralsConfig
Use CommonRomanNumeralsConfig for the common MDCLXVI style. Maximum value: 3,999 / MMMCMXCIX.
CompactApostrophusRomanNumeralsConfig
The CompactApostrophusRomanNumeralsConfig form of ApostrophusRomanNumeralsConfig uses single characters for each value instead of multiple. 500 will use D. The other characters are ↀ, ↁ, ↂ, ↇ, and ↈ. Maximum value: 399,999.
Complex
Complex numbers have both a real and an imaginary part.
ComplexVector
A class representing a vector with complex numbers.
CompressedPrimeSieve
A class that implements a compressed prime sieve using bit manipulation. Each bit represents a boolean value indicating whether a number is prime or not. This saves memory when creating the sieve. In this implementation, only odd numbers are stored in individual integers, meaning that each integer can represent a range of 128 numbers (even numbers are omitted because they are not prime, with the exception of 2 which is handled as a special case).
Concentration
The abundance of a constituent divided by the total volume of a mixture. See the Wikipedia entry for Concentration for more information.
ConcentrationUnits
Units acceptable for use in describing Concentration quantities.
Conductance
The ease with which an electric current passes through a conductor (the inverse of Resistance). See the Wikipedia entry for Electrical resistance and conductance for more information.
ConductanceUnits
Units acceptable for use in describing Conductance quantities.
Constant
Concrete implementation of Algebraic that represents a constant value a. It can be either real or complex.
Cube
A class representing a cube in 3D space.
Cubic
Concrete implementation of Polynomial that represents a third degree polynomial equation in the form ax^3 + bx^2 + cx + d = 0.
Currency
Money in any form when in actual use or circulation as a medium of exchange. See the Wikipedia entry for Currency for more information.
CurrencyUnits
Units acceptable for use in describing Currency quantities.
Current
The flow of electric charge. See the Wikipedia entry for Electric current for more information.
CurrentDensity
The electric current per unit area of cross section. See the Wikipedia entry for Current density for more information.
CurrentDensityUnits
Units acceptable for use in describing CurrentDensity quantities.
CurrentUnits
Units acceptable for use in describing Current quantities.
DataFrame
A class representing a DataFrame, which is a 2-dimensional labeled data structure with columns of potentially different types.
Decimal
Decomposition
DiagonalMatrix
The Diagonal class is a subclass of Matrix and represents a diagonal matrix. A diagonal matrix is a square matrix in which all the elements outside the main diagonal are zero.
Digit
Represents a digit in four bits of a single byte. This wastes four bits but that's a decent trade-off for simplicity and better anyway than the 4+ bytes allocated for a regular int.
Dimensions
The Dimensions class represents the dimensions of a physical quantity.
DivideAndConquer
Domain
A class representing a domain along the major axis of an ellipse.
DoseEquivalent
Represents the stochastic health effects (probability of cancer induction and genetic damage) of ionizing radiation on the human body. See the Wikipedia entry for Equivalent dose for more information.
DoseEquivalentUnits
Units acceptable for use in describing DoseEquivalent quantities.
Double
Wraps Dart's core double type, so that it can share a common base type with other Numbers.
DurandKerner
The Durand–Kerner method, also known as Weierstrass method, is a root finding algorithm for solving polynomial equations. With this class, you can find all roots of a polynomial of any degree.
DynamicViscosity
A measure of a fluid's resistance to gradual deformation by shear stress or tensile stress. See the Wikipedia entry for Viscosity for more information.
DynamicViscosityUnits
Units acceptable for use in describing DynamicViscosity quantities.
Eigen
Class to store eigenvalues and eigenvectors of a matrix.
EigenvalueDecomposition
EigenvalueDecompositions
ElasticNetRegression
Implements Elastic Net Regression, a type of regularized linear regression that includes both L1 and L2 penalty terms.
ElectricFieldStrength
The magnitude of the force per unit charge that an electric field exerts. See the Wikipedia entry for Electric field for more information.
ElectricFieldStrengthUnits
Units acceptable for use in describing ElectricFieldStrength quantities.
ElectricFluxDensity
A measure of the intensity of an electric field generated by a free electric charge, corresponding to the number of electric field lines passing through a given area. See the Wikipedia entry for Electric_flux for more information.
ElectricFluxDensityUnits
Units acceptable for use in describing ElectricFluxDensity quantities.
ElectricPotentialDifference
The difference in electric potential energy between two points per unit electric charge See the Wikipedia entry for Voltage for more information.
ElectricPotentialDifferenceUnits
Units acceptable for use in describing ElectricPotentialDifference quantities.
Ellipse
A class representing an ellipse in 2D space.
Energy
The ability of a system to perform work; cannot be created or destroyed but can take many forms. See the Wikipedia entry for Energy for more information.
EnergyDensity
The amount of energy stored in a given system or region of space per unit volume. See the Wikipedia entry for Energy density for more information.
EnergyDensityUnits
Units acceptable for use in describing EnergyDensity quantities.
EnergyFlux
The rate of transfer of energy through a surface. See the Wikipedia entry for Energy density for more information.
EnergyFluxUnits
Units acceptable for use in describing EnergyFlux quantities.
EnergyUnits
Units acceptable for use in describing Energy quantities.
EngineeringFormatSI
A version of scientific notation in which the exponent of ten must be divisible by three (e.g., 123.345 x 10^3).
Entropy
The number of specific ways in which a thermodynamic system may be arranged, commonly understood as a measure of disorder. See the Wikipedia entry for Entropy for more information.
EntropyUnits
Units acceptable for use in describing Entropy quantities.
Exposure
The radiant energy received by a surface per unit area. See the Wikipedia entry for Radiant exposure for more information.
ExposureUnits
Units acceptable for use in describing Exposure quantities.
Expression
An abstract representation of a mathematical expression.
FieldLevel
Represents a level of a field quantity, a logarithmic quantity. Level of a field quantity is defined as ln(F/F0), where F/F0 is the ratio of two field quantities and F0 is a reference amplitude of the appropriate type.
FiscalYear
Constructs a FiscalYear time period.
Force
Any interaction that, when unopposed, changes the motion of an object. See the Wikipedia entry for Force for more information.
ForceUnits
Units acceptable for use in describing Force quantities.
Fraction
Represents a fraction number.
Frequency
The number of occurrences of a repeating event per unit time. See the Wikipedia entry for Frequency for more information.
FrequencyUnits
Units acceptable for use in describing Frequency quantities.
GaussLegendre
Computes the value of π to the specified precision using the Gauss-Legendre algorithm.
GeneralizedLeastSquares
Implements Generalized Least Squares method for linear regression.
Geometry
An abstract class representing a general geometric shape.
GeoUtils
HeatFluxDensity
Heat rate per unit area. See the Wikipedia entry for Heat flux for more information.
HeatFluxDensityUnits
Units acceptable for use in describing HeatFluxDensity quantities.
Hexadecimal
Represents an integer as a hexadecimal number.
Illuminance
The total luminous flux incident on a surface, per unit area. See the Wikipedia entry for Illuminance for more information.
IlluminanceUnits
Units acceptable for use in describing Illuminance quantities.
Imaginary
Represents an imaginary number, defined as a number whose square is negative one.
Inductance
The property of an electrical conductor by which a change in current flowing through it induces an electromotive force in both the conductor itself and in any nearby conductors by mutual inductance. See the Wikipedia entry for Inductance for more information.
InductanceUnits
Units acceptable for use in describing Inductance quantities.
Information
Amount of data. See the Wikipedia entry for Information for more information.
InformationRate
The flow of information, per unit time. See the Wikipedia entry for Information for more information.
InformationRateUnits
Units acceptable for use in describing InformationRate quantities.
InformationUnits
Units acceptable for use in describing Information quantities.
Integer
Wraps Dart's core int type, so that it can share a common base type with other Numbers.
Interp1D
Provides interpolation for a 1-D function.
Interp2D
Provides interpolation for a 2-D function.
IrregularPolygon
IsoscelesTrapezoid
A class representing an Isosceles Trapezoid in 2D space.
KinematicViscosity
The resistance to flow of a fluid, equal to its absolute viscosity divided by its density. See the Wikipedia entry for Viscosity for more information.
KinematicViscosityUnits
Units acceptable for use in describing KinematicViscosity quantities.
LanguageConfig
Represents the configuration for converting numbers to words in a specific language. This configuration includes mappings for number segments, conjunctions, delimiters, and other language-specific nuances.
LassoRegression
Implements Lasso Regression, a type of regularized linear regression. It includes an L1 penalty term on the size of coefficients which helps to control the magnitude of the coefficients and can produce models with sparse coefficients (many coefficients being zero).
LeastSquares
The LeastSquares class is used to perform a least squares fit to the given model, specified by matrix A and column vector b. It supports weighted least squares with an optional weight matrix W,
Length
Represents the length physical quantity (one of the seven base SI quantities). See the Wikipedia entry for Length for more information.
LengthUnits
Units acceptable for use in describing Length quantities.
Level
Represents logarithmic physical quantities and has dimensions of 1 (Scalar). Level of a field quantity and level of a power quantity are two common logarithmic quantities.
LevelUnits
Units acceptable for use in describing Level quantities.
Limit
Line
A class representing a line in a 2-dimensional space.
Linear
Concrete implementation of Polynomial that represents a first degree polynomial equation in the form ax + b = 0.
LinearSystemSolvers
LQDecomposition
LU
LUDecomposition
Luminance
The intensity of light emitted from a surface per unit area. See the Wikipedia entry for Luminance for more information.
LuminanceUnits
Units acceptable for use in describing Luminance quantities.
LuminousFlux
The perceived power of light. It differs from radiant flux, the measure of the total power of electromagnetic radiation (including infrared, ultraviolet, and visible light), in that luminous flux is adjusted to reflect the varying sensitivity of the human eye to different wavelengths of light See the Wikipedia entry for Luminance for more information.
LuminousFluxUnits
Units acceptable for use in describing LuminousFlux quantities.
LuminousIntensity
Represents the luminous intensity physical quantity (one of the seven base SI quantities), the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle. See the Wikipedia entry for Luminous intensity for more information.
LuminousIntensityUnits
Units acceptable for use in describing LuminousIntensity quantities.
Madhava
Computes the value of π to the specified precision using the Madhava algorithm.
MagneticFieldStrength
The intensity of a magnetic field. See the Wikipedia entry for Magnetic field for more information.
MagneticFieldStrengthUnits
Units acceptable for use in describing MagneticFieldStrength quantities.
MagneticFlux
The magnetic flux density passing through a closed surface. See the Wikipedia entry for Magnetic flux for more information.
MagneticFluxDensity
The amount of magnetic flux in an area taken perpendicular to a magnetic flux's direction See the Wikipedia entry for Magnetic flux for more information.
MagneticFluxDensityUnits
Units acceptable for use in describing MagneticFluxDensity quantities.
MagneticFluxUnits
Units acceptable for use in describing MagneticFlux quantities.
Mass
Represents the mass physical quantity (one of the seven base SI quantities), that determines the strength of a body's mutual gravitational attraction to other bodies. See the Wikipedia entry for Mass for more information.
MassDensity
Mass per unit volume. See the Wikipedia entry for Density for more information.
MassDensityUnits
Units acceptable for use in describing MassDensity quantities.
MassFlowRate
The mass of a substance which passes per unit of time. See the Wikipedia entry for Mass flow rate for more information.
MassFlowRateUnits
Units acceptable for use in describing MassFlowRate quantities.
MassFluxDensity
The mass of a substance which passes per unit of time. See the Wikipedia entry for Mass flow rate for more information.
MassFluxDensityUnits
Units acceptable for use in describing MassFluxDensity quantities.
MassUnits
Units acceptable for use in describing Mass quantities.
Matrix
The Matrix class provides a structure for two-dimensional arrays of data, along with various utility methods for manipulating these arrays.
Matrix2
Matrix3
Matrix4
MatrixDecomposition
Provides matrix decomposition functions as an extension on Matrix.
MatrixElementIterator
A custom iterator for traversing the elements of a Matrix in row-major order.
MatrixFactory
MatrixIterator
A custom iterator for traversing the elements of a Matrix in row-major or column-major order.
MiscQuantity
A MiscQuantity is a general (miscellaneous) Quantity having arbitrary dimensions (including possibly the same dimensions as a named Quantity subclass). MiscQuantity objects may be used, for example, in less common domains or as intermediate results in equations.
MolarEnergy
Energy per mole of a substance. See the Wikipedia entry for Specific energy for more information.
MolarEnergyUnits
Units acceptable for use in describing MolarEnergy quantities.
MolarEntropy
Entropy content per mole of substance. See the Wikipedia entry for Standard molar entropy for more information.
MolarEntropyUnits
Units acceptable for use in describing MolarEntropy quantities.
MorseCode
A class to encode and decode Morse code messages.
MutableQuantity
MutableQuantity supports updates to its value, dimensions and uncertainty. Changes are broadcast over the onChange stream.
NewtonEuler
Computes the value of π to the specified precision using the Newton-Euler algorithm. The Newton-Euler algorithm is an efficient method for calculating the digits of π. This implementation calculates π to the specified number of digits.
Number
The abstract base class for all Number types.
NumberFormatSI
NumberFormatSI implements the International System of Units (SI) style conventions for displaying values of quantities. Specifically:
NumWords
A utility class to convert numerical values to their word representation in various languages with support for currency and ordinal conversion.
Octal
Represents an integer as an octal number.
OrdinaryLeastSquares
Implements Ordinary Least Squares method for linear regression.
Parallelogram
A class representing a Parallelogram in 2D space.
Permeability
The ability of a material to support the formation of a magnetic field within itself. See the Wikipedia entry for Permeability (electromagnetism) for more information.
PermeabilityUnits
Units acceptable for use in describing Permeability quantities.
Permittivity
The resistance that is encountered when forming an electric field in a medium. See the Wikipedia entry for Permittivity for more information.
PermittivityUnits
Units acceptable for use in describing Permittivity quantities.
PhysicsConstants
PI
The PI class provides methods for calculating the value of pi using various algorithms, such as the Chudnovsky, Gauss-Legendre, and BBP algorithms. It also includes methods for retrieving individual digits, checking for digit patterns, and performing computations that require the value of pi.
PiAlgorithm
Abstract base class for algorithms that compute the value of pi.
Plane
A class that represents a plane in a three-dimensional space. Each instance of this class is defined by a Point and a normal Vector.
PlaneGeometry
An abstract class representing a 2D geometric shape.
Point
Class Point represents a point in two or three-dimensional space. The point coordinates are represented by x, y and optionally z.
Point3D
Class Point3D represents a point in two or three-dimensional space. The point coordinates are represented by x, y and z.
Polygon
A class representing a polygon, which can be used to compute various properties such as area, perimeter, interior and exterior angles, as well as to check whether a point is inside the polygon.
Polynomial
A class representing a Polynomial of arbitrary degree.
Power
Amount of energy per unit time. See the Wikipedia entry for Power (physics) for more information.
PowerLevel
Represents a level of a power quantity, a logarithmic quantity. Level of a power quantity is defined as 0.5*ln(P/P0), where P/P0 is the ratio of two powers and P0 is a reference power.
PowerUnits
Units acceptable for use in describing Power quantities.
Precision
Precision represents an arbitrary precision number.
Pressure
Force applied perpendicular to the surface of an object per unit area over which that force is distributed. See the Wikipedia entry for Pressure for more information.
PressureUnits
Units acceptable for use in describing Pressure quantities.
QRDecomposition
Quadratic
A class that represents a quadratic equation that implementation of Polynomial that represents a second degree polynomial equation in the form ax^2 + bx + c = 0.
Quantity
The abstract base class for all quantities. The Quantity class represents the value of a physical quantity and its associated dimensions. It provides methods for constructing and getting the quantity's value in arbitrary units, methods for mathematical manipulation and comparison and optional features such as arbitrary precision and uncertainty.
QuantityRange<Q extends Quantity>
Represents a range of quantity values.
Quartic
Concrete implementation of Polynomial that represents a fourth degree polynomial equation in the form ax^4 + bx^3 + cx^2 + dx + e = 0.
Radiance
The radiant flux emitted, reflected, transmitted or received by a surface, per unit solid angle per unit projected area. See the Wikipedia entry for Radiance for more information.
RadianceUnits
Units acceptable for use in describing Radiance quantities.
RadiantFlux
Radiant flux is another way to express power.
RadiantIntensity
The radiant flux emitted, reflected, transmitted or received, per unit solid angle. See the Wikipedia entry for Radiant intensity for more information.
RadiantIntensityUnits
Units acceptable for use in describing RadiantIntensity quantities.
Ramanujan
Computes the value of π to the specified precision using the Ramanujan algorithm. The Ramanujan algorithm is an efficient method for calculating the digits of π. This implementation calculates π to the specified number of digits.
Random
A generator of random byte, bool, int, BigInt, or double values.
Range
A class representing a range along.
RateLimiter
A utility class that implements rate limiting functionality.
Rational
A number that can be expressed as a fraction of two integers, a numerator and a non-zero denominator.
RationalFunction
Real
Provides a common handle for all Real Numbers.
Rectangle
Represent a rectangle in 2D space.
RegularPolygon
Resistance
A measure of the difficulty passing an electric current through a conductor. See the Wikipedia entry for Electrical resistance and conductance for more information.
ResistanceUnits
Units acceptable for use in describing Resistance quantities.
RidgeRegression
Implements Ridge Regression, a type of regularized linear regression. It includes an L2 penalty term on the size of coefficients which helps to control the magnitude of the coefficients.
RightTrapezoid
A class representing a Right Trapezoid in 2D space.
RobustLeastSquares
Implements Robust Least Squares, a type of linear regression that aims to be more resistant to outliers than ordinary least squares.
RomanNumerals
A class to convert between Roman and decimal numerals.
RomanNumeralsConfig
RomanNumeralsConfig is the base class that defines the behavior for all of the descendent classes and should not be used directly.
Rotation
Rotation is like an angle that may exceed 360° in the positive or negative direction.
RowMatrix
Row class extends Matrix and represents a single row in a matrix.
Scalar
A one-dimensional physical quantity that can be described by a single real number. See the Wikipedia entry for Scalar (physics) for more information.
ScalarUnits
Units acceptable for use in describing Scalar quantities.
SchurDecomposition
ScientificFormatSI
Formats a number as a single integer digit, followed by decimal digits and raised to a power of 10 (e.g., 1.2345 x 10^3).
Series
A Series class represents a one-dimensional array with a label.
SingularValueDecomposition
SolidAngle
A two-dimensional angle in three-dimensional space that an object subtends at a point. See the Wikipedia entry for Solid angle for more information.
SolidAngleUnits
Units acceptable for use in describing SolidAngle quantities.
SolidGeometry
An abstract class representing a 3D geometric shape.
SparseMatrix
SparseMatrixCOO
This class represents a SparseMatrix in the COO (Coordinate List) format. It stores the row indices, column indices, and values of all non-zero elements in the matrix.
SparseMatrixCSC
This class represents a SparseMatrix in the CSC (Compressed Sparse Column) format. It stores the column pointers, row indices, and values of all non-zero elements in the matrix.
SparseMatrixCSR
This class represents a SparseMatrix in the CSR (Compressed Sparse Row) format. It stores the row pointers, column indices, and values of all non-zero elements in the matrix.
SparseMatrixDOK
This class represents a SparseMatrix in the DOK (Dictionary of Keys) format. It stores a dictionary with keys representing the (row, column) indices and values representing the non-zero elements in the matrix.
SparseMatrixLIL
This class represents a SparseMatrix in the LIL (List of Lists) format. For each row, it stores a list of column indices and a list of values of all non-zero elements in the row.
SpecificEnergy
Energy per unit mass. See the Wikipedia entry for Specific energy for more information.
SpecificEnergyUnits
Units acceptable for use in describing SpecificEnergy quantities.
SpecificHeatCapacity
The heat capacity per unit mass of a material. See the Wikipedia entry for Heat capacity for more information.
SpecificHeatCapacityUnits
Units acceptable for use in describing SpecificHeatCapacity quantities.
SpecificVolume
The ratio of the substance's volume to its mass. See the Wikipedia entry for Specific volume for more information.
SpecificVolumeUnits
Units acceptable for use in describing SpecificVolume quantities.
SpectralIrradiance
Irradiance of a surface per unit frequency. See the Wikipedia entry for Radiometry for more information.
SpectralIrradianceUnits
Units acceptable for use in describing SpectralIrradiance quantities.
Speed
The rate of change of position. See the Wikipedia entry for Speed for more information.
SpeedUnits
Units acceptable for use in describing Speed quantities.
SphericalTriangle
Represents a spherical triangle, defined by its three angles (A, B, C) and the lengths of the three sides opposite those angles (a, b, c).
Square
SurfaceTension
The elastic tendency of liquids which makes them acquire the least surface area possible. See the Wikipedia entry for Surface tension for more information.
SurfaceTensionUnits
Units acceptable for use in describing SurfaceTension quantities.
SVD
SylvesterMatrix
Temperature
An objective comparative measure of hot or cold. See the Wikipedia entry for Thermodynamic temperature for more information.
TemperatureInterval
The difference between two temperatures, where temperature is an objective comparative measure of hot or cold. See the Wikipedia entry for Thermodynamic temperature for more information.
TemperatureIntervalUnits
Units acceptable for use in describing TemperatureInterval quantities.
TemperatureUnits
Units acceptable for use in describing Temperature quantities.
ThermalConductivity
The ability of a material to conduct heat. See the Wikipedia entry for Thermal conductivity for more information.
ThermalConductivityUnits
Units acceptable for use in describing ThermalConductivity quantities.
Time
Represents the time interval physical quantity (one of the seven base SI quantities).
TimeInstant
TimeInstant represents a specific moment in time and its units enable conversion between various time scales.
TimeInstantUnits
Units acceptable for use in describing TimeInstant quantities.
TimePeriod
Represents a specific time span.
TimeUnits
Units acceptable for use in describing Time quantities.
Torque
The tendency of a force to rotate an object about an axis, fulcrum, or pivot. See the Wikipedia entry for Torque for more information.
TorqueUnits
Units acceptable for use in describing Torque quantities.
TotalLeastSquares
A class for Total Least Squares Regression
Trapezoid
A class representing a Trapezoid in 2D space.
Triangle
Represents a triangle in 2D space.
Vector
Vector2
Vector3
Vector4
VectorElementIterator
VectorIterator
VinculumRomanNumeralsConfig
Use VinculumRomanNumeralsConfig for the extended style similar to the the common MDCLXVI style. Maximum value: 3,999,999 / M̅M̅M̅C̅M̅X̅C̅MX̅CMXCIX.
Volume
The amount of three-dimensional space enclosed by some closed boundary. See the Wikipedia entry for Volume for more information.
VolumeFlowRate
The volume of fluid which passes per unit time. See the Wikipedia entry for Volumetric flow rate for more information.
VolumeFlowRateUnits
Units acceptable for use in describing VolumeFlowRate quantities.
VolumeUnits
Units acceptable for use in describing Volume quantities.
WaveNumber
The spatial frequency of a wave. See the Wikipedia entry for Wavenumber for more information.
WaveNumberUnits
Units acceptable for use in describing WaveNumber quantities.
WeightedLeastSquares
Implements Weighted Least Squares method for linear regression.
ZScore
Computes Z-score based on a given confidence level.

Enums

AngleCategory
AngleDirection
AreaMethod
DecompositionMethod
Enumeration for available decomposition methods in the solve function.
DeterminantMethod
Enum representing the available methods for calculating the determinant of a matrix.
DistanceType
The DistanceType enum contains different types of distance metrics used for both Vector and Matrix distance calculations.
EquationMethod
An enumeration of different methods that can be used to solve the least squares problem.
LinearSystemMethod
Enum representing the available methods for solving linear systems.
MatrixAlign
An enum representing the alignment options for matrix elements in a string representation.
MatrixType
Enum representing different types of matrices and their properties.
MethodType
An enumeration of interpolation methods.
Norm
Enumeration of supported norms for vectors and matrices.
PiCalcAlgorithm
Specifies the algorithm to use when calculating the value of pi.
PlaneType
Define an enumeration for the XY-plane, XZ-plane, and YZ-plane
Rescale
Enum for specifying the direction of rescaling operation in a matrix.
RomanNumeralsType
RomanNumeralsType enumerates the 3 major types of Roman numerals supported.
SparseFormat
UncertaintyFormat
Whether and how to display a quantity's uncertainty (e.g., compact is 32.324(12), not compact is (32.324 +/- 0.012)).

Mixins

Units
A unit is a particular physical quantity, defined and adopted by convention, with which other particular quantities of the same kind (dimensions) are compared to express their value.

Constants

alphaParticleMass → const Mass
The rest mass of a helium nucleus.
angstromStar → const Length
Often used to represent the wavelengths of X rays and the distances between atoms in crystals.
atomicMass → const Mass
One twelfth of the mass of a carbon-12 atom in its nuclear and electronic ground state.
bohrRadius → const Length
The mean radius of the orbit of an electron around the nucleus of a hydrogen atom at its ground state.
boltzmannConstant → const Entropy
The Boltzmann constant is a physical constant that relates the average relative kinetic energy of particles in a gas with the temperature of the gas.
characteristicImpedanceOfVacuum → const Resistance
Relates the magnitudes of the electric and magnetic fields of electromagnetic radiation travelling through free space.
classicalElectronRadius → const Length
The classical electron radius is a combination of fundamental physical quantities that define a length scale for problems involving an electron interacting with electromagnetic radiation.
comptonWavelength → const Length
The wavelength of a photon whose energy is the same as the mass energy equivalent of that particle.
conductanceQuantum → const Conductance
The quantized unit of electrical conductance. It appears when measuring the conductance of a quantum point contact, and, more generally, is a key component of Landauer formula which relates the electrical conductance of a quantum conductor to its quantum properties.
cos0 → const double
The cosine of a ninety degree angle (1).
cos60 → const double
The cosine of a sixty degree angle (0.5).
cos90 → const double
The cosine of a ninety degree angle (1).
deuteronMass → const Mass
The mass of a stationary deuteron.
e → const double
Returns the mathematical constant e. Base of the natural logarithms
electronGFactor → const Scalar
Electron g factor (ge).
electronMass → const Mass
The mass of a stationary electron.
elementaryCharge → const Charge
The electric charge carried by a single proton.
eps → const double
expUnicodeMap → const Map<String, String>
Maps a digit, decimal point or minus sign string to a unicode exponent character.
fineStructureConstant → const Scalar
Fine structure constant (alpha).
fiveNinths → const double
A ratio used in the conversion between metric temperature scales and Fahrenheit.
hartreeEnergy → const Energy
The Hartree atomic unit of energy is the energy for the separation of a molecule to nuclei and electrons.
hBar → const AngularMomentum
The Planck constant divided by 2 PI (a.k.a., 'h-bar' or 'reduced Planck constant').
helionMass → const Mass
The mass of a stationary helion.
lengthZero → const Length
A constant representing zero length.
ln10 → const double
Natural logarithm of 10.
ln2 → const double
Natural logarithm of 2.
log10e → const double
Base-10 logarithm of e.
log2e → const double
Base-2 logarithm of e.
magneticFluxQuantum → const MagneticFlux
The magnetic flux quantum constant is a combination of two other physical constants: the Planck constant h and the electron charge e. Its value is, therefore, the same for any superconductor.
muonGFactor → const Scalar
Muon g factor (gn).
muonMass → const Mass
The mass of a stationary muon particle.
naught → const Scalar
A synonym for zero.
neutronGFactor → const Scalar
Neutron g factor (gn).
neutronMass → const Mass
The mass of a stationary neutron.
pi → const double
Returns the mathematical constant Pi.
planckConstant → const AngularMomentum
The Planck constant.
planckLength → const Length
The threshold length at which classical ideas about gravity and space-time cease to be valid and quantum effects dominate.
planckMass → const Mass
The unit of mass in the system of natural units known as Planck units. It is approximately 0.02 milligrams.
planckTemperature → const Temperature
Contemporary models of physical cosmology postulate that the highest possible temperature is the Planck temperature.
planckTime → const Time
The time required for light to travel in a vacuum a distance of one Planck length.
protonGFactor → const Scalar
Proton g factor (gp).
protonMass → const Mass
The mass of a stationary proton.
sackurTetrode100kPa → const Scalar
Sackur-Tetrode constant at 1 K and 100 kPa ('S0/R').
sackurTetrodeStdAtm → const Scalar
Sackur-Tetrode constant at 1 K and 101.325 kPa ('S0/R').
scalarZero → const Scalar
Zero, as a Scalar.
sigma0 → const Area
A synonym for the thomsonCrossSection.
sin0 → const double
The sine of a zero degree angle (0).
sin30 → const double
The sine of a thirty degree angle (0.5).
sin90 → const double
The sine of a ninety degree angle (1).
solarLuminosity → const Power
The solar luminosity constant is the radiant flux (power emitted in the form of photons) emitted by the Sun (a typical value; the Sun's output actually varies slightly over time).
speedOfLightVacuum → const Speed
Speed of light in a vacuum.
speedOfSoundAir0C → const Speed
Speed of sound in air at 0 deg C.
sqrt1_2 → const double
Square root of 1/2.
sqrt2 → const double
Square root of 2.
sqrt3 → const double
Square root of 3.
tan0 → const double
The tangent of a zero degree angle (0).
tan45 → const double
The tangent of a forty five degree angle (1).
tau → const double
The "circle constant", equal to two pi.
tauComptonWavelength → const Length
The tau Compton wavelength.
tauMass → const Mass
The mass of a stationary tau particle.
thomsonCrossSection → const Area
Helpful for describing the scattering of photons when the energy of each individual photon is much smaller than the rest energy of the electron.
twoPi → const double
The value 2 * pi, also known as tau.
vacuumElectricPermittivity → const Permittivity
A constant of proportionality that exists between electric displacement and electric field intensity.
vacuumMagneticPermeability → const Permeability
The magnetic permeability in a classical vacuum.
vonKlitzingConstant → const Resistance
Relates Planck's constant and the charge of the electron.
weakMixingAngle → const Scalar
Weak mixing angle.
Z0 → const Resistance
A synonym for characteristicImpedanceOfVacuum.
zilch → const Scalar
A synonym for zero.

Properties

abamperes → CurrentUnits
Abamperes as a unit.
final
abcoulombs → ChargeUnits
A synonym for dekacoulombs.
final
abfarads → CapacitanceUnits
A unit representing one gigafarad.
final
abhenries ↔ InductanceUnits
Abhenries is a synonym for nanohenries.
getter/setter pair
abmho → ConductanceUnits
Equivalent to a billion siemens (or mhos).
final
abvolts ↔ ElectricPotentialDifferenceUnits
The unit of electromotive force (EMF) or potential difference in the CGS (centimeter/gram/second) electromagnetic system of units. When an EMF of 1 abV exists between two points, then one erg of energy is needed to move one abcoulomb (1 abC) of charge carriers between those two points.
getter/setter pair
acreFoot ↔ VolumeUnits
Acre foot as a unit.
getter/setter pair
acres → AreaUnits
An acre is about three-quarters of the size of an American football field.
final
aeons → TimeUnits
A unit of one billion years.
final
allQuantityTypes → Iterable<Type>
Returns an iterable of Type objects representing all of the quantity types supported by this library (for example, Angle, Length, etc.).
no setter
ampereHours → ChargeUnits
Ampere hours as a unit.
final
amperes → CurrentUnits
The standard SI unit.
final
amps → CurrentUnits
A synonym for amperes.
final
angle0 → Angle
A zero degree angle.
final
angle180 → Angle
A one hundred eighty degree angle.
final
angle270 → Angle
A two hundred seventy degree angle.
final
angle30 → Angle
A thirty degree angle.
final
angle360 → Angle
A three hundred sixty degree angle.
final
angle45 → Angle
A forty five degree angle.
final
angle60 → Angle
A sixty degree angle.
final
angle90 → Angle
A ninety degree angle.
final
anglePi → Angle
A one hundred eighty degree angle.
final
angleTau → Angle
A three hundred sixty degree angle.
final
ares → AreaUnits
Accepted for use with the SI, subject to further review. Equals one square dekameter, or 100 square meters.
final
atmospheres ↔ PressureUnits
Standard atmospheres as a unit.
getter/setter pair
atmospheresTechnical ↔ PressureUnits
Technical atmospheres as a unit.
getter/setter pair
attoseconds → TimeUnits
10^-18 of a second.
final
B → TimeInstantUnits
Besselian - Replaced by Julian system, but still of occasional use
final
bakersDozen → ScalarUnits
A baker's dozen is 13. One extra donut. Thank you.
final
barns → AreaUnits
Accepted for use with the SI, subject to further review. Equals 100 square femtometers, or 1.0e-28 square meters.
final
barrels ↔ VolumeUnits
Barrels as a unit.
getter/setter pair
barrelsPetroleum ↔ VolumeUnits
Barrels petroleum as a unit.
getter/setter pair
bars ↔ PressureUnits
Shorthand bars unit.
getter/setter pair
baryes ↔ PressureUnits
Baryes as a unit.
getter/setter pair
billionEur → ScalarUnits
The European variant of one billion (10^12) as a unit.
final
billionthsUS → ScalarUnits
One billionth (US: 10^-9) as a unit.
final
billionUS → ScalarUnits
One billion (US: 10^9) as a unit.
final
bits → InformationUnits
The standard SI unit.
final
boardFeet ↔ VolumeUnits
Board feet as a unit.
getter/setter pair
boltzmannUnit → EntropyUnits
Boltzmann constant as a unit.
final
btu39 → EnergyUnits
39 degree Fahrenheit BTUs as a unit.
final
btu60 → EnergyUnits
60 degree Fahrenheit BTUs as a unit.
final
btuInternationalTable → EnergyUnits
International Table BTUs as a unit.
final
btuMean → EnergyUnits
Mean BTUs as a unit.
final
btuThermo → EnergyUnits
Thermochemical BTUs as a unit.
final
btuThermsPerHour ↔ PowerUnits
Square degrees as a unit.
getter/setter pair
btuThermsPerSecond ↔ PowerUnits
Thermochemical BTUs per second as a unit.
getter/setter pair
bushels ↔ VolumeUnits
Bushels as a unit.
getter/setter pair
bytes → InformationUnits
Units of 8 bits.
final
calories15 → EnergyUnits
15 degree Celsius calories as a unit.
final
calories20 → EnergyUnits
20 degree Celsius calories as a unit.
final
caloriesInternationalTable → EnergyUnits
International Table calories as a unit.
final
caloriesKgInternationalTable → EnergyUnits
International Table kilogram calories as a unit.
final
caloriesKgMean → EnergyUnits
Mean kilogram calories as a unit.
final
caloriesKgThermo → EnergyUnits
Thermochemical kilogram calories as a unit.
final
caloriesMean → EnergyUnits
Mean calories as a unit.
final
caloriesThermo → EnergyUnits
Thermochemical calories as a unit.
final
caloriesThermoPerSecond ↔ PowerUnits
Thermochemical calories as a unit.
getter/setter pair
candelas → LuminousIntensityUnits
The standard SI unit.
final
caratsMetric → MassUnits
Metric carats as a unit.
final
cefaCurrency → Currency
final
centiseconds → TimeUnits
A hundredth of a second.
final
centistokes ↔ KinematicViscosityUnits
Centistokes as a unit.
getter/setter pair
circularMils → AreaUnits
Equal to the area of a circle with a diameter of one mil (one thousandth of an inch). It is often used for representing the area of a wire's circular cross section.
final
clausius → EntropyUnits
The erg per clausius unit of entropy.
final
cmMercury0 ↔ PressureUnits
Centimeters of mercury at 0 degrees Celsius.
getter/setter pair
cmWater4 ↔ PressureUnits
Centimeters of water at 4 degrees Celsius.
getter/setter pair
cords ↔ VolumeUnits
Cords as a unit.
getter/setter pair
cos30 → double
The cosine of a thirty degree angle.
final
cos45 → double
The cosine of a forty five degree angle.
final
coulombs → ChargeUnits
The standard SI unit.
final
cubicCentimeters ↔ VolumeUnits
Cubic centimeters as a unit.
getter/setter pair
cubicFeet ↔ VolumeUnits
Barrels as a unit.
getter/setter pair
cubicInches ↔ VolumeUnits
Cubic inches as a unit.
getter/setter pair
cubicMeters ↔ VolumeUnits
The standard SI unit.
getter/setter pair
cubicMetersPerSecond ↔ VolumeFlowRateUnits
The standard SI unit, tersely.
getter/setter pair
cubicParsecs ↔ VolumeUnits
Cubic parsecs as a unit.
getter/setter pair
cubicYards ↔ VolumeUnits
Cubic yards as a unit.
getter/setter pair
cumecs ↔ VolumeFlowRateUnits
Shorthand synonym for standard SI unit.
getter/setter pair
cups ↔ VolumeUnits
Cups as a unit.
getter/setter pair
days → TimeUnits
Accepted for use with the SI.
final
daysMeanSolar → TimeUnits
Accepted for use with the SI.
final
daysSidereal → TimeUnits
A sidereal day is the time between two consecutive transits of the First Point of Aries. It represents the time taken by the Earth to rotate on its axis relative to the stars, and is almost four minutes shorter than the solar day because of the Earth's orbital motion.
final
decillionEur → ScalarUnits
The European variant of one decillion (10^60) as a unit.
final
decillionUS → ScalarUnits
One decillion (US: 10^33) as a unit.
final
decimalPrecision ↔ int
The default precision of a Precision. The default value is 50. This can be changed by setting the global variable decimalPrecision.
getter/setter pair
deciseconds → TimeUnits
A tenth of a second.
final
deg → AngleUnits
Synonymous with degrees.
final
degF → TemperatureIntervalUnits
A synonym for degreesFahrenheit.
final
degK → TemperatureIntervalUnits
A synonym for degrees Kelvin.
final
degR → TemperatureIntervalUnits
A synonym for degreesRankine.
final
degrees → AngleUnits
A terse version of Angle.degrees.
final
degreesCelsius → TemperatureUnits
Degrees in the Celsius scale.
final
degreesFahrenheit → TemperatureIntervalUnits
Degrees in the Fahrenheit scale.
final
degreesRankine → TemperatureIntervalUnits
Degrees in the Rankine scale.
final
dekaseconds → TimeUnits
Ten seconds.
final
dozen → ScalarUnits
A dozen is 12.
final
drams ↔ VolumeUnits
Drams as a unit.
getter/setter pair
dramsApothecary → MassUnits
Apothecary drams as a unit.
final
dramsAvoirdupois → MassUnits
Avoirdupois drams as a unit.
final
duotrigintillion → ScalarUnits
One duotrigintillion (10^99) as a unit.
final
dynamicQuantityTyping ↔ bool
Dynamic quantity typing may be turned off for increased efficiency. If false, the result of operations where dimensions may change will be MiscQuantity type objects.
getter/setter pair
dynes ↔ ForceUnits
Dynes as a unit.
getter/setter pair
electronVolts → EnergyUnits
Accepted for use with the SI.
final
emuCapacitance → CapacitanceUnits
Electromagnetic unit (emu), the capacity of a circuit component to store charge.
final
emuOfInductance ↔ InductanceUnits
EMU of inductance is a synonym for nanohenries.
getter/setter pair
emuPotential ↔ ElectricPotentialDifferenceUnits
Synonymous with abvolts.
getter/setter pair
englishConfig → LanguageConfig
An English configuration for conversion
final
eons → TimeUnits
A synonym for aeons.
final
ergPerKelvin → EntropyUnits
The erg per kelvin unit of entropy.
final
ergs → EnergyUnits
Ergs as a unit.
final
ergsPerSecond ↔ PowerUnits
Ergs per second as a unit.
getter/setter pair
esuCapacitance → CapacitanceUnits
A synonym for statfarads.
final
esuOfInductance ↔ InductanceUnits
ESU of inductance as a unit.
getter/setter pair
esuPotential ↔ ElectricPotentialDifferenceUnits
Synonymous with statvolts.
getter/setter pair
ET → TimeInstantUnits
Ephemeris Time (ET) is the same as TDT: ET = TDT = TT = TAI + 32.184 s. Ephemeris Time was renamed Terrestrial Dynamical Time in 1984 (when Barycentric Dynamical Time was also introduced)
final
euroCurrency → Currency
final
exabytes → InformationUnits
10^18 bytes. Use Information.exbibytes (EiB) instead for the binary interpretation of EB (2^60 bytes).
final
exaseconds → TimeUnits
10^18 seconds.
final
Fahrenheit → TemperatureUnits
Fahrenheit scale units.
final
faradaysC12 → ChargeUnits
Carbon 12 faradays as a unit.
final
faradaysChemical → ChargeUnits
Chemical faradays as a unit.
final
faradaysPhysical → ChargeUnits
Physical faradays as a unit.
final
farads → CapacitanceUnits
The standard SI unit.
final
faradsPerMeter ↔ PermittivityUnits
The standard SI unit.
getter/setter pair
feetPerHour ↔ SpeedUnits
Feet per hour as a unit.
getter/setter pair
feetPerMinute ↔ SpeedUnits
Feet per minute as a unit.
getter/setter pair
feetPerSecond ↔ SpeedUnits
Feet per second as a unit.
getter/setter pair
femtoseconds → TimeUnits
10^-15 of a second.
final
fileIO ↔ FileIO
getter/setter pair
fluidOunces ↔ VolumeUnits
Fluid ounces as a unit.
getter/setter pair
fluidOuncesUK ↔ VolumeUnits
U.K. fluid ounces as a unit.
getter/setter pair
fluxUnits → SpectralIrradianceUnits
Synonymous with janskys.
final
footCandles ↔ IlluminanceUnits
Foot candles as a unit.
getter/setter pair
footPerSecondSquared → AccelerationUnits
A commonly used English unit of acceleration.
final
footPoundals → EnergyUnits
Foot-poundals as a unit.
final
footPoundsForce → EnergyUnits
Foot pounds force as a unit.
final
forceDeCheval ↔ PowerUnits
Force de cheval as a unit.
getter/setter pair
frenchConfig → LanguageConfig
A French configuration for conversion
final
ftWater39 ↔ PressureUnits
Feet of water at 39.2 degrees Fahrenheit.
getter/setter pair
g → MassUnits
Gram unit synonym.
final
galileos → AccelerationUnits
Defined as 0.01 meter per second squared.
final
gallonsUKLiquid ↔ VolumeUnits
U.K. liquid gallons as a unit.
getter/setter pair
gallonsUSDry ↔ VolumeUnits
U.S. dry gallons as a unit.
getter/setter pair
gallonsUSLiquid ↔ VolumeUnits
U.S. liquid gallons as a unit.
getter/setter pair
gals → AccelerationUnits
Synonymous with galileos.
final
gammas → MassUnits
Microgram units.
final
gauss ↔ MagneticFluxDensityUnits
One gauss is one ten-thousandth of a tesla.
getter/setter pair
gees → AccelerationUnits
A unit based on the acceleration experienced by a free-falling body at the Earth's surface.
final
gigabytes → InformationUnits
10^9 bytes. Use Information.gibibytes (GiB) instead for the binary interpretation of GB (2^30 bytes).
final
gigaseconds → TimeUnits
A billion seconds.
final
gilberts → CurrentUnits
Gilberts as a unit.
final
gillsUK ↔ VolumeUnits
U.K. gills as a unit.
getter/setter pair
gillsUS ↔ VolumeUnits
U.S. gills as a unit.
getter/setter pair
googol ↔ Scalar
googol (10^100), arbitrary precision.
getter/setter pair
googols → ScalarUnits
One googol (10^100) as a unit.
final
GPST → TimeInstantUnits
GPS Satellite Time (GPST): GPST = TAI - 19 s
final
grains → MassUnits
Grains as a unit.
final
grams → MassUnits
A unit of one gram.
final
gramsPerCubicCentimeter ↔ MassDensityUnits
Grams per cubic centimeter as a unit.
getter/setter pair
greatGross → ScalarUnits
A great gross is 1728.
final
gross → ScalarUnits
A gross is 144.
final
halfDozen → ScalarUnits
A half-dozen is 6.
final
hBarUnits → AngularMomentumUnits
The Planck constant divided by 2 PI (a.k.a., 'h-bar') as units.
final
hectares → AreaUnits
Accepted for use with the SI, subject to further review. Equals 1 square hectometer, or 10 000 square meters.
final
hectoseconds → TimeUnits
A hundred seconds.
final
henries ↔ InductanceUnits
The standard SI unit.
getter/setter pair
henriesPerMeter ↔ PermeabilityUnits
The standard SI unit.
getter/setter pair
hogsheads ↔ VolumeUnits
Hogsheads as a unit.
getter/setter pair
horsepower550 ↔ PowerUnits
Horsepower (550 ft lbs/s) as a unit.
getter/setter pair
horsepowerBoiler ↔ PowerUnits
Horsepower (boiler) as a unit.
getter/setter pair
horsepowerElectric ↔ PowerUnits
Horsepower (electric) as a unit.
getter/setter pair
horsepowerMetric ↔ PowerUnits
Horsepower (metric) as a unit.
getter/setter pair
horsepowerWater ↔ PowerUnits
Horsepower (water) as a unit.
getter/setter pair
hours → TimeUnits
Accepted for use with the SI.
final
hoursMeanSolar → TimeUnits
Accepted for use with the SI.
final
hoursSidereal → TimeUnits
A unit of one hour in the sidereal day.
final
hundred → ScalarUnits
100 as a unit.
final
hundredths → ScalarUnits
One hundredth as a unit.
final
hundredweightLong → MassUnits
Long hundredweight as a unit.
final
hundredweightShort → MassUnits
Short hundredweight as a unit.
final
inchesPerSecond ↔ SpeedUnits
Inches per second as a unit.
getter/setter pair
inchPerSecondSquared → AccelerationUnits
A commonly used English unit of acceleration.
final
inMercury32 ↔ PressureUnits
Inches of mercury at 32 degrees Fahrenheit.
getter/setter pair
inWater39 ↔ PressureUnits
Inches of water at 39.2 degrees Fahrenheit.
getter/setter pair
J2000 → TimeInstant
J2000.0 as defined by the IAU: Julian date: 2000 Jan 1d 12h UT in the TDT time scale
final
janskys → SpectralIrradianceUnits
A non-SI unit of spectral irradiance used especially in radio astronomy.
final
JD_TAI → TimeInstantUnits
Julian Date in the TAI scale
final
JD_TCB → TimeInstantUnits
Julian Date in the TCB scale
final
JD_TCG → TimeInstantUnits
Julian Date in the TCG scale
final
JD_TDB → TimeInstantUnits
Julian Date in the TDB (TB) scale
final
JD_TDT → TimeInstantUnits
Julian Date in the TDT (TT) scale
final
JD_UT1 → TimeInstantUnits
Julian Date in the UT1 scale
final
JD_UTC → TimeInstantUnits
Julian Date in the UTC scale
final
joules → EnergyUnits
The standard SI unit.
final
jouleSecond → AngularMomentumUnits
The standard SI unit.
final
joulesPerKelvin → EntropyUnits
The standard SI unit.
final
joulesPerKilogram ↔ SpecificEnergyUnits
The standard SI unit.
getter/setter pair
kelvins → TemperatureUnits
The standard SI unit.
final
kg → MassUnits
Kilogram unit synonym.
final
kgfSecondSquaredMeter → MassUnits
Kilogram force second square meter as a unit.
final
kilobytes → InformationUnits
1000 bytes (8000 bits). Use Information.kibibytes (kiB) instead for the binary interpretation of kB (1024 bytes).
final
kilocaloriesThermo → EnergyUnits
A synonym for thermochemical kilogram calories.
final
kilograms → MassUnits
The standard SI unit.
final
kilogramsForce ↔ ForceUnits
Kilograms force as a unit.
getter/setter pair
kilogramsPerCubicMeter ↔ MassDensityUnits
The standard SI unit.
getter/setter pair
kilojoules → EnergyUnits
Kilojoules as a unit.
final
kilometersPerHour ↔ SpeedUnits
Kilometers per hour as a unit.
getter/setter pair
kilomoles → AmountOfSubstanceUnits
A unit of one thousand moles.
final
kiloponds ↔ ForceUnits
A synonym for kilograms force.
getter/setter pair
kiloseconds → TimeUnits
A thousand seconds.
final
kilowattHours → EnergyUnits
Kilowatt-hours as a unit.
final
kilowatts ↔ PowerUnits
Shorthand kilowatts as a unit.
getter/setter pair
kips ↔ ForceUnits
Kips as a unit.
getter/setter pair
knots ↔ SpeedUnits
Knots, tersely.
getter/setter pair
langleys → EnergyFluxUnits
Langleys as a unit.
final
liters ↔ VolumeUnits
A terse alternative to Volume.liters.
getter/setter pair
litersPerSecond ↔ VolumeFlowRateUnits
0.001 cubic meter per second.
getter/setter pair
logger ↔ Logger
Logger for use across entire library
getter/setter pair
lusecs ↔ VolumeFlowRateUnits
Shorthand synonym for liters per second.
getter/setter pair
lux ↔ IlluminanceUnits
The standard SI unit.
getter/setter pair
magFieldAtomicUnit ↔ MagneticFluxDensityUnits
Magnetic field atomic unit.
getter/setter pair
magneticGammas ↔ MagneticFluxDensityUnits
A synonym for nanoteslas.
getter/setter pair
maxwells ↔ MagneticFluxUnits
A maxwell is one one-hundred-millionth of a weber.
getter/setter pair
megabytes → InformationUnits
10^6 bytes. Use Information.mebibytes (MiB) instead for the binary interpretation of MB (2^20 bytes).
final
megaseconds → TimeUnits
A million seconds.
final
meterPerSecondSquared → AccelerationUnits
A synonym for the standard SI-MKS unit of acceleration.
final
metersPerSecond ↔ SpeedUnits
The standard SI unit.
getter/setter pair
metersSquaredPerSecond ↔ KinematicViscosityUnits
The standard SI unit.
getter/setter pair
metricTons → MassUnits
Accepted for use with the SI.
final
mg → MassUnits
Milligram unit synonym.
final
mho → ConductanceUnits
Synonymous with Siemens.
final
microseconds → TimeUnits
A millionth of a second.
final
milesPerHour ↔ SpeedUnits
Miles per hour as a unit.
getter/setter pair
milesPerMinute ↔ SpeedUnits
Miles per minute as a unit.
getter/setter pair
milesPerSecond ↔ SpeedUnits
Miles per second as a unit.
getter/setter pair
millibars ↔ PressureUnits
A millibar as a unit.
getter/setter pair
milligrams → MassUnits
A unit of one thousandth of a gram.
final
million → ScalarUnits
One million as a unit.
final
millionths → ScalarUnits
One millionth as a unit.
final
milliradian → AngleUnits
A unit of one thousandth of a radian.
final
milliseconds → TimeUnits
A thousandth of a second.
final
minersInches ↔ VolumeFlowRateUnits
The miner's inch as a unit.
getter/setter pair
minutes → TimeUnits
Accepted for use with the SI.
final
minutesArc → AngleUnits
A terse version of Angle.minutesArc.
final
minutesMeanSolar → TimeUnits
Accepted for use with the SI.
final
minutesSidereal → TimeUnits
A unit of one minute in the sidereal day.
final
MJD_TAI → TimeInstantUnits
Modified Julian Date in the TAI scale
final
MJD_TCB → TimeInstantUnits
Modified Julian Date in the TCB scale
final
MJD_TCG → TimeInstantUnits
Modified Julian Date in the TCG scale
final
MJD_TDB → TimeInstantUnits
Modified Julian Date in the TDB scale
final
MJD_TDT → TimeInstantUnits
Modified Julian Date in the TDT scale
final
MJD_UT1 → TimeInstantUnits
Modified Julian Date in the UT1 scale
final
MJD_UTC → TimeInstantUnits
Modified Julian Date in the UTC scale
final
moles → AmountOfSubstanceUnits
A synonym for the SI-MKS base unit of amount of substance.
final
musecs ↔ VolumeFlowRateUnits
Shorthand synonym for standard SI unit.
getter/setter pair
myriad → ScalarUnits
A myriad is ten thousand.
final
nanoseconds → TimeUnits
A billionth of a second.
final
newtons → ForceUnits
The standard SI unit.
final
newtonsPerAmpereSquared ↔ PermeabilityUnits
Newtons per ampere as a unit.
getter/setter pair
newtonsPerSquareMeter ↔ PressureUnits
A synonym for pascals.
getter/setter pair
nonillionEur → ScalarUnits
The European variant of one nonillion (10^54) as a unit.
final
nonillionUS → ScalarUnits
One nonillion (US: 10^30) as a unit.
final
NTP → TimeInstantUnits
Network Time Protocol (NTP) - NTP is offset from the UTC time scale, with its epoch at 1 Jan 1900 0h
final
octillionEur → ScalarUnits
The European variant of one octillion (10^48) as a unit.
final
octillionUS → ScalarUnits
One octillion (US: 10^27) as a unit.
final
ohms ↔ ResistanceUnits
The standard SI unit.
getter/setter pair
one → ScalarUnits
The standard SI unit.
final
ouncesApothecary → MassUnits
Apothecary ounces as a unit.
final
ouncesAvoirdupois → MassUnits
Avoirdupois ounces as a unit.
final
ouncesForceAvoirdupois ↔ ForceUnits
Avoirdupois ounces force as a unit.
getter/setter pair
pair → ScalarUnits
A pair is 2.
final
pascals ↔ PressureUnits
The standard SI unit.
getter/setter pair
pecks ↔ VolumeUnits
Pecks as a unit.
getter/setter pair
pennyweightTroy → MassUnits
Troy pennyweight as a unit.
final
percent → ScalarUnits
Synonymous with Scalar.percent.
final
petabytes → InformationUnits
10^15 bytes. Use Information.pebibytes (PiB) instead for the binary interpretation of PB (2^50 bytes).
final
petaseconds → TimeUnits
10^15 seconds.
final
phots ↔ IlluminanceUnits
Phots as a unit.
getter/setter pair
picoseconds → TimeUnits
10^-12 of a second.
final
pintsDry ↔ VolumeUnits
U.S. dry pints as a unit.
getter/setter pair
pintsLiquid ↔ VolumeUnits
U.S. liquid pints as a unit.
getter/setter pair
planckUnits → AngularMomentumUnits
The Planck constant as units.
final
poundals ↔ ForceUnits
Poundals as a unit.
getter/setter pair
poundsApothecary → MassUnits
Apothecary pounds as a unit.
final
poundsAvoirdupois → MassUnits
Avoirdupois pounds as a unit.
final
poundsForceAvoirdupois ↔ ForceUnits
Avoirdupois pounds force as a unit.
getter/setter pair
poundsPerCubicFoot ↔ MassDensityUnits
Pounds per cubic foot as a unit.
getter/setter pair
poundsPerCubicInch ↔ MassDensityUnits
Pounds per cubic inch as a unit.
getter/setter pair
psi ↔ PressureUnits
Pounds per square inch as a unit.
getter/setter pair
quadrillionEur → ScalarUnits
The European variant of one quadrillion (10^24) as a unit.
final
quadrillionUS → ScalarUnits
One quadrillion (US: 10^15) as a unit.
final
quartsDry ↔ VolumeUnits
U.S. dry quarts as a unit.
getter/setter pair
quartsLiquid ↔ VolumeUnits
U.S. liquid quarts as a unit.
getter/setter pair
quintals → MassUnits
A quintal is 100 kilograms.
final
quintillionEur → ScalarUnits
The European variant of one quintillion (10^30) as a unit.
final
quintillionUS → ScalarUnits
One quintillion (US: 10^18) as a unit.
final
rad → AngleUnits
Synonymous with radians.
final
radians → AngleUnits
A terse version of Angle.radians.
final
Rankine → TemperatureUnits
Rankine scale units.
final
referenceSound ↔ PowerUnits
A power commonly used as the reference power for calculation of sound power levels.
getter/setter pair
referenceSoundAir ↔ PressureUnits
A pressure often used as the reference pressure for calculation of sound pressure levels.
getter/setter pair
referenceSoundWater ↔ PressureUnits
A pressure commonly used as the reference pressure for calculation of sound pressure levels.
getter/setter pair
registryTons ↔ VolumeUnits
Registry tons as a unit.
getter/setter pair
romanNumeralConfig ↔ RomanNumeralsConfig
Sets the RomanNumeralsConfig to be used globally for all RomanNumerals instances. This allows customizing the behavior of the RomanNumerals class, such as the representation of zero or the use of overline.
getter/setter pair
score → ScalarUnits
A score is 20. Four score is 80. More poetic than just saying eighty.
final
scruples → MassUnits
Scruples as a unit.
final
seconds → TimeUnits
The standard SI unit.
final
secondsArc → AngleUnits
A terse version of Angle.secondsArc.
final
secondsSidereal → TimeUnits
A unit of one second in the sidereal day.
final
sections → AreaUnits
Synonymous with squareMiles.
final
septillionEur → ScalarUnits
The European variant of one billion (10^42) as a unit.
final
septillionUS → ScalarUnits
One septillion (US: 10^24) as a unit.
final
sextillionEur → ScalarUnits
The European variant of one sextillion (10^36) as a unit.
final
sextillionUS → ScalarUnits
One sextillion (US: 10^21) as a unit.
final
sin45 → double
The sine of a forty five degree angle.
final
sin60 → double
The sine of a sixty degree angle.
final
slugs → MassUnits
Slugs as a unit.
final
slugsPerCubicFoot ↔ MassDensityUnits
Slugs per cubic foot as a unit.
getter/setter pair
speedOfLightSquared ↔ SpecificEnergyUnits
The square of the speed of light in a vacuum.
getter/setter pair
speedOfLightUnits ↔ SpeedUnits
The speed of light as a unit.
getter/setter pair
squareCentimeters → AreaUnits
An area unit equivalent to a square with sides having a length of one centimeter.
final
squareFeet → AreaUnits
An area unit equivalent to a square with sides having a length of one foot.
final
squareFeetPerSecond ↔ KinematicViscosityUnits
Square feet per second as a unit.
getter/setter pair
squareInches → AreaUnits
An area unit equivalent to a square with sides having a length of one inch.
final
squareKilometers → AreaUnits
An area unit equivalent to a square with sides having a length of one kilometer.
final
squareMeters → AreaUnits
The standard SI unit.
final
squareMetersPerSquareSecond ↔ SpecificEnergyUnits
Square meters per second as a unit.
getter/setter pair
squareMiles → AreaUnits
An area unit equivalent to a square with sides having a length of one mile.
final
squarePerches → AreaUnits
Synonymous with squareRods.
final
squarePoles → AreaUnits
Synonymous with squareRods.
final
squareRods → AreaUnits
An area unit equivalent to a square with sides having a length of one rod.
final
squareYards → AreaUnits
An area unit equivalent to a square with sides having a length of one yard.
final
standardAccelerationOfGravity → AccelerationUnits
The more formal name for gees.
final
statamperes → CurrentUnits
Statamperes as a unit.
final
statcoulombs → ChargeUnits
Statcoulombs as a unit.
final
statfarads → CapacitanceUnits
The statfarad is the standard unit of capacitance in the cgs (centimeter/gram/second) system.
final
statmhos → ConductanceUnits
A non-SI unit of electrical conductance.
final
statvolts ↔ ElectricPotentialDifferenceUnits
A useful unit for electromagnetism because, in a vacuum, an electric field of one statvolt/cm has the same energy density as a magnetic field of one gauss. Likewise, a plane wave propagating in a vacuum has perpendicular electric and magnetic fields such that for every gauss of magnetic field intensity there is one statvolt/cm of electric field intensity.
getter/setter pair
steres ↔ VolumeUnits
A synonym for cubic meters.
getter/setter pair
stokes ↔ KinematicViscosityUnits
Stokes as a unit.
getter/setter pair
system → TimeInstantUnits
Measures time since 1 Jan 1970 0h 0m 0s, which is the System time defined by many computer operating systems
final
tablespoons ↔ VolumeUnits
Tablespoons as a unit.
getter/setter pair
TAI → TimeInstantUnits
International Atomic Time scale units
final
tan30 → double
The tangent of a thirty degree angle.
final
tan60 → double
The tangent of a sixty degree angle.
final
TB → TimeInstantUnits
Barycentric Time (TB); same as TDB: TT = TDB
final
TCB → TimeInstantUnits
Barycentric Coordinate Time (TCB): TCB = TDB + (1.550505e-8)(JD - 2443144.5)(86400)
final
TCG → TimeInstantUnits
Geocentric Coordinate Time (TCG): TCG = TDT + (6.969291e-10)(JD - 2443144.5)(86400)
final
TDB → TimeInstantUnits
Barycentric Dynamical Time (TDB): TDB varies from TDT by periodic variations
final
TDT → TimeInstantUnits
Terrestrial Dynamical Time (TDT): TDT = TAI + 32.184 s
final
teaspoons ↔ VolumeUnits
Teaspoons as a unit.
getter/setter pair
tenths → ScalarUnits
One tenth as a unit.
final
terabytes → InformationUnits
10^12 bytes. Use Information.tebibytes (TiB) instead for the binary interpretation of TB (2^40 bytes).
final
teraseconds → TimeUnits
10^12 seconds.
final
teslas ↔ MagneticFluxDensityUnits
The standard SI unit.
getter/setter pair
thermalCoulomb → EntropyUnits
Entropy as a 'charge'; identical to joulesPerKelvin.
final
therms → EnergyUnits
Therms as a unit.
final
thousand → ScalarUnits
1000 as a unit.
final
thousandths → ScalarUnits
One thousandth as a unit.
final
tonnes → MassUnits
Accepted for use with the SI.
final
tons → EnergyUnits
Tons of TNT equivalent as a unit.
final
tonsAssay → MassUnits
Assay tons as a unit.
final
tonsLong → MassUnits
Long tons as a unit.
final
tonsShort → MassUnits
Short tons as a unit.
final
torrs ↔ PressureUnits
Torrs as a unit.
getter/setter pair
townships → AreaUnits
An area unit used in US surveyors' measures equalling 36 square miles.
final
trillionEur → ScalarUnits
The European variant of one trillion (10^18) as a unit.
final
trillionthsUS → ScalarUnits
One trillionth (US: 10^-12) as a unit.
final
trillionUS → ScalarUnits
One trillion (US: 10^12) as a unit.
final
TT → TimeInstantUnits
Terrestrial Time (TT) is the same as TDT: TDT = TT = TAI + 32.184 s
final
unifiedAtomicMassUnits → MassUnits
Accepted for use with the SI.
final
unitPoles ↔ MagneticFluxUnits
Unit poles as a unit.
getter/setter pair
unitPolesDensity ↔ MagneticFluxDensityUnits
Unit poles density as a unit.
getter/setter pair
usdCurrency → Currency
final
UT1 → TimeInstantUnits
Universal Time (UT1): UT1 = TDT - Delta T
final
UT2 → TimeInstantUnits
Universal Time (UT2): UT2 = UT1 + 0.022 sin(2PIt) - 0.012 cos(2PIt) - 0.006 sin(4PIt) + 0.007 cos(4PIt), where t = the date in Besellian years
final
UTC → TimeInstantUnits
Coordinated Universal Time (differs from TAI by a number of leap seconds)
final
volts ↔ ElectricPotentialDifferenceUnits
The standard SI unit.
getter/setter pair
wattHour → EnergyUnits
Watt-hour as a unit.
final
watts ↔ PowerUnits
The standard SI unit.
getter/setter pair
wattSecond → EnergyUnits
Watt-second as a unit.
final
wattsPerSquareMeter → EnergyFluxUnits
The standard SI unit.
final
webers ↔ MagneticFluxUnits
The standard SI unit.
getter/setter pair
yearsCalendar → TimeUnits
Calendar years as a unit.
final
yearsJulian → TimeUnits
Defined as exactly 365.25 days of 86400 SI seconds each. The length of the Julian year is the average length of the year in the Julian calendar that was used in Western societies until some centuries ago, and from which the unit is named.
final
yearsSidereal → TimeUnits
Sidereal years as a unit.
final
yearsTropical → TimeUnits
Tropical years as a unit.
final
yoctoseconds → TimeUnits
10^-24 of a second.
final
yottaseconds → TimeUnits
10^24 seconds.
final
zeptoseconds → TimeUnits
10^-21 of a second.
final
zettaseconds → TimeUnits
10^21 seconds.
final

Functions

abs(num x) → num
Returns the absolute value of a number.
acos(dynamic x) → dynamic
Returns the arccosine of a number in radians.
acosh(num x) → double
Returns the inverse hyperbolic cosine (acosh) of the number.
acot(dynamic x) → dynamic
Returns the arccotangent (inverse of the cotangent) of x.
acoth(num x) → double
Returns the inverse hyperbolic cotangent (acoth) of x.
acsc(dynamic x) → dynamic
Returns the arccosecant (inverse of the cosecant) of x.
acsch(num x) → double
Returns the inverse hyperbolic cosecant (acsch) of x.
angleFromHourMinSec(int hour, int minute, double second, [double uncert = 0]) → Angle
Constructs an angle from hours, minutes and seconds of time (as opposed to arc).
annulus() → void
areWithin(Quantity q1, Quantity q2, Quantity tolerance) → bool
Returns whether or not the magnitude of the difference between two quantities is less than or equal to the specified tolerance.
asec(dynamic x) → dynamic
Returns the arcsecant (inverse of the secant) of x.
asech(num x) → double
Returns the inverse hyperbolic secant (asech) of x.
asin(dynamic x) → dynamic
Returns the arcsine of a number in radians.
asinh(num x) → double
Returns the inverse hyperbolic sine (asinh) of the number.
atan(dynamic x) → dynamic
Returns the arctangent of a number.
atan2(dynamic a, dynamic b) → dynamic
Returns the angle in radians between the positive x-axis and the vector.
atanh(num x) → double
Returns the inverse hyperbolic tangent (atanh) of the number.
bigIntNChooseRModPrime(int N, int R, int P) → BigInt
Computes the value of C(N, R) % P using BigInt for large numbers.
binomialCoefficient(int n, int k) → int
Returns the binomial coefficient, often referred to as "n choose k". The binomial coefficient is the number of ways to choose k items from n items without repetition and without order.
cbrt(num x) → dynamic
Returns the cube root of a number.
ceil(num x) → int
Rounds a number up to the nearest integer.
circle() → void
clamp(num x, num min, num max) → num
Clamps x between min and max.
collinear(Point a, Point b, Point c) → bool
Checks if three points are collinear.
collinear2(Point a, Point b, Point c) → int
combinations(dynamic n, int r, {Function? func, bool simplify = true, bool generateCombinations = true}) → dynamic
Generates all combinations of elements from n taken r at a time.
confidenceInterval(List<num> data, double confidenceLevel) → List<num>
Returns the confidence Interval of a dataset when a confidence level is provided
correlation(List<num> x, List<num> y) → double
Returns the correlation of two lists
cos(dynamic x) → dynamic
Returns the cosine of a number in radians.
cosh(dynamic x) → dynamic
Returns the hyperbolic cosine of a number.
cot(dynamic x) → dynamic
Returns the cotangent of a number in radians.
coth(dynamic x) → dynamic
Returns the hyperbolic cotangent of a number.
covers(num x) → double
Coversine function
createTypedQuantityInstance(Type t, dynamic value, Units? units, {double uncert = 0.0, Dimensions? dimensions}) → Quantity
Creates a instance of a typed quantity of type t having the specified value in units.
csc(dynamic x) → dynamic
Returns the cosecant of a number in radians.
csch(dynamic x) → dynamic
Returns the hyperbolic cosecant of a number.
degree2DMS(num degDEC) → List<num>
Converts decimal degrees to degrees, minutes, and seconds.
degree2DMSString(num degDEC, {bool isLat = false, bool isLatLon = false, int decPlace = 5, bool showSignAndDirection = true}) → String
Converts a decimal degree value to a string in degrees, minutes, and seconds. The isLat parameter indicates whether the coordinate is latitude (default: false). The isLatLon parameter specifies whether the coordinate is part of a latitude-longitude pair (default: false). The decPlace parameter defines the decimal place for the second value (default: 5). The showSignAndDirection parameter removes the sign or direction from the returned string (default: true).
degrees2Minutes(num degrees) → double
Converts degrees to minutes.
degrees2Percentage(num deg) → double
Converts degrees to percentage.
degrees2Seconds(num degrees) → double
Converts degrees to seconds.
degreesToGrads(num degrees) → double
Converts degrees to grads.
degToRad(num deg) → double
Converts degrees to radians.
diff(Function f, [double h = 0.001]) → Function
Computes the numerical derivative of the function f.
dmm2Degree(double deg, num min) → double
Converts degrees and minutes to decimal degrees.
dms2Degree(int deg, int min, num sec) → double
Converts degrees, minutes and seconds to decimal degrees.
dmsList2Degrees(List<num> dms) → double
Converts list [degrees, minutes, seconds] to decimal degrees.
doubleFactorial(double x) → double
Computes the double factorial of a given number x.
egcd(List<num> numbers) → List<List<num>>
Extended Euclidean algorithm to find gcd and coefficients of Bezel identity for a list of numbers.
ellipse() → void
erf(double x) → double
Computes the error function of x.
excsc(num x) → double
Excosecant function
exp(dynamic x) → dynamic
Returns the natural exponentiation of a number.
exsec(num x) → double
Exsecant function
factorial(int n) → int
Returns the factorial of a number.
factorial2(dynamic x) → dynamic
Computes the factorial of a given number x.
factors(int n) → List<int>
Returns the factors of the given integer n.
fib(int n) → int
Returns the nth Fibonacci number considering the sign of n.
fibRange(int start, int end) → List<num>
Returns a list of Fibonacci numbers from the start to the end.
floor(num x) → int
Rounds a number down to the nearest integer.
gamma(double z) → double
Computes the gamma function of z.
gcd(List<num> numbers) → num
Returns the greatest common divisor of a list of numbers.
gcf(List<num> numbers) → num
Calculates the greatest common factor (GCF) of all numbers in the input list.
getDeltaT(TimeInstant time) → double
Returns the value 'Delta T,' in seconds, which relates the Terrestrial Dynamical Time scale to measured Universal Time (and indirectly UTC to TAI before 1972, when leap seconds were introduced).
getDigits(int n) → List<int>
Returns a list of digits of a number.
getDirectionString(num bearing, {num precision = 3}) → String
Returns a string representing the compass direction of the bearing. Precision is optional and can be set to 1 (4 compass points), 2 (8 compass points), or 3 (16 compass points).
getLeapSeconds(double tai, {bool pre1972LeapSeconds = false}) → num
Returns the number of leap seconds in effect for the specified time instant, tai, specified in the TAI time scale. The number of leap seconds relates the UTC time scale to the TAI time scale.
gradsToDegrees(num grads) → double
Converts grads to degrees.
gradsToRadians(num grads) → double
Converts grads to radians.
hashObjects(Iterable<Object> objects) → int
Generates a unique hash for a set of objects.
havers(num x) → double
Haversine function
hypot(num x, num y) → num
Returns the hypotenuse or Euclidean norm, sqrt(xx + yy).
integerPart(double x) → int
Returns the integer part of the number x.
isAlpha(String input) → bool
Checks if the provided string characters input are alphabetic letter(s) (A-Z, a-z).
isAlphaNumeric(String input) → bool
Checks if the provided character input is alphanumeric (A-Z, a-z, 0-9).
isArmstrongNumber(int n) → bool
Checks if a number is an Armstrong number.
isDigit(String input) → bool
Checks if the provided string characters input are a digit(s) (0-9).
isDivisible(num n, num divisor) → bool
Checks if a number n is divisible by a another number divisor.
isEven(int n) → bool
Checks if a number is even.
isFibonacci(int n) → bool
Checks if a number is in the Fibonacci sequence.
isOdd(int n) → bool
Checks if a number is odd.
isPalindrome(int n) → bool
Checks if a number n is a palindrome.
isPandigital(int n) → bool
Checks if a number is pandigital.
isPerfectCube(int n) → bool
Checks if a number is a perfect cube.
isPerfectNumber(int n) → bool
Checks if a number is a perfect number. A perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself.
isPerfectSquare(int n) → bool
Checks if a number is a perfect square.
isPrime(dynamic number, [int certainty = 12]) → bool
Checks if a number is prime using trial division for small numbers and Rabin-Miller for large numbers.
lcm(List<num> numbers) → num
Returns the least common multiple of two numbers.
lerp(num a, num b, num t) → num
Linear interpolation between a and b by t.
log(dynamic x, [dynamic b]) → dynamic
Returns the logarithm (base b) of x.
log10(dynamic x) → dynamic
Returns the base-10 logarithm of a number.
logBase(dynamic base, dynamic x) → dynamic
Returns the logarithm of a number to a given base. The logarithm to base b of x is equal to the value y such that b to the power of y is equal to x.
main() → void
max<T extends num>(T a, T b) → T
Returns the maximum of two or more numbers.
mean(List<num> list) → num
Returns the mean (average) of a list of numbers.
median(List<num> list) → num
Returns the median of a list of numbers.
min<T extends num>(T a, T b) → T
Returns the minimum of two or more numbers.
minutes2Degrees(num minutes) → double
Converts minutes to degrees.
mod(num a, num b) → num
Returns the remainder of the division of a by b.
mode(List<num> list) → List<num>
Returns the mode (most common element(s)) of a list of numbers.
modF(double x) → ({double fraction, int integer})
Splits the passed x into its integer and fractional parts.
modInv(num a, num m) → dynamic
Returns the modular inverse of 'a' mod 'm' if it exists.
nChooseRModPrime(int N, int R, int P) → num
Computes the value of C(N, R) % P using Fermat's Little Theorem.
nthHarmonicNumber(int n) → double
Returns the nth harmonic number n.
nthHexagonalNumber(int n) → int
Returns the nth hexagonal number.
nthPentagonalNumber(int n) → int
Returns the nth pentagonal number.
nthPrime(int n) → int
Returns the nth prime number. The nth prime number is the number that holds the nth position in the list of prime numbers.
nthRoot(dynamic x, double nth) → dynamic
Returns the nth root of a number.
nthTetrahedralNumber(int n) → int
Returns the nth tetrahedral number.
nthTriangleNumber(int n) → int
Returns the nth triangle number.
numberToNum(Number number) → num
Converts a Number to the equivalent num.
numIntegrate(Function f, double a, double b, [double tol = 1e-9, int maxDepth = 45]) → double
Approximates the definite integral of a function using adaptive Simpson's method.
numToNumber(num value) → Number
Converts a num value to associated Number object (Integer for ints and doubles that have an integer value, Double for other doubles).
objToNumber(Object object) → Number
Converts an object to a Number. The object must be either a num or Number, otherwise an Exception is thrown.
parallelogram() → void
percentage2Degrees(num percent) → double
Converts percentage to degrees.
percentage2radians(num percent) → double
Converts percentage to radians.
permutations(dynamic n, int r, {Function? func, bool simplify = true, Random? random, int? seed}) → dynamic
Generates all permutations of elements from n taken r at a time.
pol(num x, num y, {bool isDegrees = false}) → ({double r, double theta})
Converts rectangular coordinates (x, y) to polar coordinates (r, theta).
pow(dynamic x, dynamic exponent) → dynamic
Raises a number to the power of another number.
primeFactors(int n) → List<int>
Returns the prime factors of the given integer n.
printLine([String s = '']) → void
quartiles(List<num> list) → List<num>
Returns the 1st, 2nd, and 3rd quartiles of a list of numbers.
radians2Percentage(num radians) → double
Converts radians to percentage.
radiansToGrads(double radians) → double
Converts radians to grads.
radToDeg(num rad) → double
Convert radians to degrees.
rec(num r, num theta, {bool isDegrees = false}) → ({double x, double y})
Converts polar coordinates (r, theta) to rectangular coordinates (x, y).
rect(double x) → double
Rectangle function.
rectangle() → void
regression(List<num> x, List<num> y) → List<num>
Returns slope and intercept of two datasets
round(num x, [int decimalPlaces = 0]) → num
Rounds the number x to the specified number of decimalPlaces.
sawtooth(num x) → double
Sawtooth wave function
sec(dynamic x) → dynamic
Returns the secant of a number in radians.
sech(dynamic x) → dynamic
Returns the hyperbolic secant of a number.
seconds2Degrees(num seconds) → double
Converts seconds to degrees.
secondsInUtcDay(double utc) → double
Calculates and returns the number of seconds (including any leap seconds) that are in the UTC day containing the specified second, utc.
siBaseQuantity(Quantity q) → bool
Returns whether or not q is one of the seven SI base quantities.
siDerivedQuantity(Quantity q) → bool
Returns whether or not q is a derived quantity (as opposed to one of the seven base SI quantities).
sieve(int n) → List<num>
Generates all primes up to n.
sign(num x) → int
Returns the sign of a number.
simpson(Function f, double a, double b, [double step = 0.0001]) → double
Approximates the definite integral of a function using Simpson's Rule.
sin(dynamic x) → dynamic
Returns the sine of a number in radians.
sinc(double x) → double
Sinc function also called the "sampling function"
sinh(dynamic x) → dynamic
Returns the hyperbolic sine of a number.
sqrt(dynamic x) → dynamic
Returns the square root of a number.
square() → void
squareWave(double x) → int
Square wave function
standardDeviation(List<num> list) → double
Returns the standard deviation of a list of numbers.
stdDev(List<num> list) → double
Returns the standard deviation of a list of numbers.
stdErrEst(List<num> x, List<num> y) → double
Standard error of estimate
stdErrMean(List<num> list) → double
Returns the standard error of the sample mean
step(double x) → double
Heaviside step function.
sumTo(int n) → int
Returns the sum of all numbers up to n.
tan(dynamic x) → dynamic
Returns the tangent of a number in radians.
tanh(dynamic x) → dynamic
Returns the hyperbolic tangent of a number.
toDegrees(num rad) → double
Converts radians to degrees.
toMutable(Quantity q) → MutableQuantity
Create a MutableQuantity with the same value, dimensions and uncertainty as q.
toRadians(num deg) → double
Converts degrees to radians.
trapezoid() → void
triangle() → void
triangleWave(double x) → double
Triangle wave function
trunc(double x) → double
Returns the integer part of a number by removing any fractional digits.
tValue(List<num> list) → double
Returns the t-Value of the list Example:
uncertaintyRangeForQuantity(Quantity q, {double k = 1.0}) → QuantityRange<Quantity>
Creates a QuantityRange that represents the standard uncertainty of q.
unicodeExponent(num exp) → String
Returns the unicode symbols that represent an exponent.
variance(List<num> list) → double
Returns the variance of a list of numbers.
vers(num x) → double
Versine function
yr4(int year) → int
Returns a four digit year from year which may be only 2 digits, assuming that anything 70 or more means 19xx and under 70 means 20xx.

Typedefs

Base20Converter = String Function(int value)
FromMksOverride = Number Function(dynamic mks)
ToMksOverride = Number Function(dynamic val)

Exceptions / Errors

DimensionsException
This Exception is thrown when an attempt is made to perform an operation on a Quantity having unexpected or illegal dimensions.
ImmutableQuantityException
This Exception is thrown when an attempt is made to modify an immutable Quantity object (for example through its setMKS method).
InvalidRomanNumeralException
NumberException
The base class for all exceptions thrown in relation to numbers.
QuantityException
The base class for all exceptions thrown in relation to quantities.