Expressions corresponding to notebooks. Here is a simple Mathematica notebook. Here is the expression that corresponds to this notebook.

MathLink connections between Mathematica sessions. This starts up a link on port number 8000. This connects to the link on port 8000.

Mathematica provides a uniquely powerful interactive environment for building up arbitrarily complex computations, under convenient interactive or programmatic control.

Mathematica is to its core a fundamentally extensible system, in which efficient, modular, reusable packages of any size can readily be created. Mathematica's symbolic ...

Mathematica's dynamic interactivity system makes it easy to view and annotate any object in a dynamic way. Building on Mathematica's symbolic programming architecture, ...

Mathematica can import and export hundreds of data formats and subformats. These "How tos" give step-by-step instructions for tasks related to importing and exporting some of ...

ChoiceDialog[expr] puts up a standard choice dialog that displays expr together with OK and Cancel buttons, and returns True if OK is clicked and False if Cancel is ...

Colorize[m] generates an image from an integer matrix m, using colors for positive integers and black for non-positive integers.Colorize[image] replaces intensity values in ...

NotebookPrint[expr] sends a notebook containing expr to your default printer.NotebookPrint[notebook] sends the specified notebook to your default printer. ...

expr >> filename writes expr to a file. Put[expr_1, expr_2, ..., " filename"] writes a sequence of expressions expr_i to a file. Put["filename "] creates an empty file with ...