Arg (Built-in Mathematica Symbol)

Arg[z] gives the argument of the complex number z.

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.

Brent's Method (Mathematica Tutorial)

When searching for a real simple root of a real valued function, it is possible to take advantage of the special geometry of the problem, where the function crosses the axis ...

QHypergeometricPFQ (Built-in Mathematica Symbol)

QHypergeometricPFQ[{a_1, ..., a_r}, {b_1, ..., b_s}, q, z] gives the basic hypergeometric series \[Null]_r \[Phi]_s (a; b; q; z).

Symbolic Evaluation (Mathematica Tutorial)

The functions FindMinimum, FindMaximum, and FindRoot have the HoldAll attribute and so have special semantics for evaluation of their arguments. First, the variables are ...

GammaSimplify (Developer Package Symbol)

GammaSimplify[expr] transforms gamma functions in expr, trying to either decrease the number of gamma functions, or convert combinations of them into more elementary ...

PolyGammaSimplify (Developer Package Symbol)

PolyGammaSimplify[expr] transforms polygamma functions in expr, trying to either decrease the number of polygamma functions, or convert combinations of them into more ...

PolyLogSimplify (Developer Package Symbol)

PolyLogSimplify[expr] transforms polylogarithm functions in expr, trying to either decrease the number of polylogarithm functions, or convert combinations of them into more ...

ZetaSimplify (Developer Package Symbol)

ZetaSimplify[expr] transforms zeta functions in expr, trying to either decrease the number of zeta functions, or convert combinations of them into more elementary functions.

PrintNotationRules (Notation Package Symbol)

PrintNotationRules is a possible value for the Action option to Notation, Symbolize and InfixNotation.