Core Language How to Topics (Mathematica Overview)

Work with Variables and Functions Work with Lists Work with Rules

Matrices and Linear Algebra (Mathematica Guide)

Mathematica automatically handles both numeric and symbolic matrices, seamlessly switching among large numbers of highly-optimized algorithms. Using many original methods, ...

BitLength (Built-in Mathematica Symbol)

BitLength[n] gives the number of binary bits necessary to represent the integer n.

Degree (Built-in Mathematica Symbol)

Degree gives the number of radians in one degree. It has a numerical value of \[Pi]/180.

ContinuousTimeModelQ (Built-in Mathematica Symbol)

ContinuousTimeModelQ[expr] gives True if expr is a continuous-time StateSpaceModel or TransferFunctionModel object, and False otherwise.

ImageConvolve (Built-in Mathematica Symbol)

ImageConvolve[image, ker] gives the convolution of image with kernel ker.

Transformation Rules and Definitions (Mathematica Overview)

Applying Transformation Rules Manipulating Sets of Transformation Rules Making Definitions

ExpToTrig (Built-in Mathematica Symbol)

ExpToTrig[expr] converts exponentials in expr to trigonometric functions.

PowerModList (Built-in Mathematica Symbol)

PowerModList[a, s/r, m] gives a list of all x modulo m for which x^r \[Congruent] a^s mod m.

InverseGammaRegularized (Built-in Mathematica Symbol)

InverseGammaRegularized[a, s] gives the inverse of the regularized incomplete gamma function.