$PrePrint is a global variable whose value, if set, is applied to every expression before it is printed.

GaussianIntegers is an option for FactorInteger, PrimeQ, Factor, and related functions that specifies whether factorization should be done over Gaussian integers.

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 ...

Rationalize[x] converts an approximate number x to a nearby rational with small denominator. Rationalize[x, dx] yields the rational number with smallest denominator that lies ...

Mathematica incorporates the latest algorithms—some original to Wolfram Research—for evaluating mathematical constants to any number of digits of precision. For basic ...

Cot[z] gives the cotangent of z.

Mathematica's symbolic character allows a powerful unification of the notion of conditionals in programming and in mathematics.

Mathematica's matrix operations handle both numeric and symbolic matrices, automatically accessing large numbers of highly efficient algorithms. Mathematica uses ...

QuadraticIrrationalQ[x] gives True if x is a quadratic irrational and False otherwise.

RootedEmbedding[g, v] constructs a rooted embedding of graph g with vertex v as the root. RootedEmbedding[g] constructs a rooted embedding with a center of g as the root.