NumberMultiplier (Built-in Mathematica Symbol)

NumberMultiplier is an option for NumberForm and related functions which gives the string to use as a multiplication sign in scientific notation.

$MaxMachineNumber (Built-in Mathematica Symbol)

$MaxMachineNumber is the largest machine-precision number that can be used on a particular computer system.

ToRadicals (Built-in Mathematica Symbol)

ToRadicals[expr] attempts to express all Root objects in expr in terms of radicals.

HarmonicNumber (Built-in Mathematica Symbol)

HarmonicNumber[n] gives the n\[Null]^th harmonic number H_n. HarmonicNumber[n, r] gives the harmonic number H_n^(r) of order r.

SystemsModelDimensions (Built-in Mathematica Symbol)

SystemsModelDimensions[sys] gives the number of inputs and outputs of a StateSpaceModel or TransferFunctionModel object sys.

Do Algebraic Calculations (Mathematica How To)

These "How tos" give step-by-step instructions for common tasks related to algebraic computation in Mathematica .

InexactNumberQ (Built-in Mathematica Symbol)

InexactNumberQ[expr] returns True if expr is an inexact real or complex number, and returns False otherwise.

ExactNumberQ (Built-in Mathematica Symbol)

ExactNumberQ[expr] returns True if expr is an exact real or complex number, and returns False otherwise.

Random Number Generation (Mathematica Overview)

Introduction Random Generation Functions Seeding and Localization

Complex Numbers (Mathematica Guide)

Mathematica has fundamental support for both explicit complex numbers and symbolic complex variables. All applicable mathematical functions support arbitrary-precision ...