ComplexInfinity represents a quantity with infinite magnitude, but undetermined complex phase.

DiagonalMatrix[list] gives a matrix with the elements of list on the leading diagonal, and 0 elsewhere. DiagonalMatrix[list, k] gives a matrix with the elements of list on ...

Floor[x] gives the greatest integer less than or equal to x. Floor[x, a] gives the greatest multiple of a less than or equal to x.

InputForm[expr] prints as a version of expr suitable for input to Mathematica.

NumericQ[expr] gives True if expr is a numeric quantity, and False otherwise.

ReliefImage[array] generates a relief image of an array of height values.

Speak[expr] speaks a spoken representation of the expression expr.

StandardForm[expr] prints as the standard Mathematica two-dimensional representation of expr.

It is always a good idea to give variables and functions names that are as explicit as possible. Sometimes, however, such names may get inconveniently long. In Mathematica, ...

With the default option setting Lighting->Automatic, Mathematica uses a simulated lighting model to determine how to color polygons in three-dimensional graphics. Mathematica ...