Help > Function Navigator (Mathematica Menu Item)

Function Navigator opens the Wolfram Mathematica Function Navigator, which is a hierarchical view of the guide page collection found in the Documentation Center.

First (Built-in Mathematica Symbol)

First[expr] gives the first element in expr.

Last (Built-in Mathematica Symbol)

Last[expr] gives the last element in expr.

Multiplicative Number Theory (Mathematica Guide)

Building on its broad strengths in mathematics in general, and in special functions in particular, Mathematica provides a unique level of support for multiplicative number ...

Core Language How to Topics (Mathematica Overview)

Work with Variables and Functions Work with Lists Work with Rules

Mathematica Expressions in Files (Mathematica Guide)

Mathematica's symbolic architecture immediately defines a serializable representation for any Mathematica data or program—which can then readily be stored in a file.

MathieuCharacteristicExponent (Built-in Mathematica Symbol)

MathieuCharacteristicExponent[a, q] gives the characteristic exponent r for Mathieu functions with characteristic value a and parameter q.

BesselK (Built-in Mathematica Symbol)

BesselK[n, z] gives the modified Bessel function of the second kind K_n (z).

Testing and Searching List Elements (Mathematica Tutorial)

Testing and searching for elements of lists. "Getting Pieces of Lists" discusses how to extract pieces of lists based on their positions or indices. Mathematica also has ...

DedekindEta (Built-in Mathematica Symbol)

DedekindEta[\[Tau]] gives the Dedekind eta modular elliptic function \[Eta](\[Tau]).