Position[expr, pattern] gives a list of the positions at which objects matching pattern appear in expr. Position[expr, pattern, levelspec] finds only objects that appear on ...

Mathematica has over 3000 built-in functions and other objects, all based on a single unified framework, and all carefully designed to work together, both in simple ...

Fold[f, x, list] gives the last element of FoldList[f, x, list].

Text strings. The quotes are not included in standard Mathematica output form. In input form, the quotes are included.

Lists are at the core of Mathematica 's symbolic language. These "How tos" give step-by-step instructions for common tasks related to creating and manipulating lists.

HoldAllComplete is an attribute which specifies that all arguments to a function are not to be modified or looked at in any way in the process of evaluation.

$Assumptions is the default setting for the Assumptions option used in such functions as Simplify, Refine, and Integrate.

One of the important features of Mathematica is its ability to give you exact, symbolic, results for computations. There are, however, computations where it is just ...

MakeBoxes[expr, form] is the low-level function used in Mathematica sessions to convert expressions into boxes. MakeBoxes[expr] is the function to convert expr to ...

A typical package written in Mathematica introduces several new symbols intended for use outside the package. These symbols may correspond for example to new functions or new ...