Sign[x] gives -1, 0, or 1 depending on whether x is negative, zero, or positive.

RandomVariate[dist] gives a pseudorandom variate from the symbolic distribution dist.RandomVariate[dist, n] gives a list of n pseudorandom variates from the symbolic ...

Continued fractions can be thought of as an alternative to digit sequences for representing numbers, based on division rather than multiplication by a base. Studied ...

Algebraics represents the domain of algebraic numbers, as in x \[Element] Algebraics.

ContinuedFraction[x, n] generates a list of the first n terms in the continued fraction representation of x. ContinuedFraction[x] generates a list of all terms that can be ...

InverseErf[s] gives the inverse error function obtained as the solution for z in s = erf(z).

Indeterminate is a symbol that represents a numerical quantity whose magnitude cannot be determined.

___(three _characters) or BlankNullSequence[] is a pattern object that can stand for any sequence of zero or more Mathematica expressions. ___h or BlankNullSequence[h] can ...

ImageChannels[image] gives the number of channels present in the data for the Image object image.

With origins stretching back several centuries, discrete calculus is now an increasingly central methodology for many problems related to discrete systems and algorithms. ...