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 ...

Picking out elements of lists. We will use this list for the examples. Here is the last element of t.

FactorList[poly] gives a list of the factors of a polynomial, together with their exponents.

$MessageList is a global variable that gives a list of the names of messages generated during the evaluation of the current input line.

PowerModList[a, s/r, m] gives a list of all x modulo m for which x^r \[Congruent] a^s mod m.

MessageList[n] is a global object assigned to be a list of the names of messages generated during the processing of the n\[Null]^th input line.

Mathematica includes many powerful operations for working with lists. It is often desirable to map a function onto each individual element in a list. While listable functions ...

ListAnimate[{expr_1, expr_2, ...}] generates an animation whose frames are the successive expr_i. ListAnimate[list, fps] displays fps frames per second.

ListPlay[{a_1, a_2, ...}] creates an object that plays as a sound whose amplitude is given by the sequence of levels a_i.

ReplaceList[expr, rules] attempts to transform the entire expression expr by applying a rule or list of rules in all possible ways, and returns a list of the results ...