Getting parts of lists. This gives a list of parts 1 and 3. Here is a nested list.

The general principle that Mathematica follows in evaluating expressions is to go on applying transformation rules until the expressions no longer change. This means, for ...

When you do symbolic calculations, it is quite easy to end up with extremely complicated expressions. Often, you will not even want to see the complete result of a ...

Formatting lists as tables and matrices. Here is a list. Grid gives the list typeset in a tabular format.

Mathematica provides users with access to their computer's file system (Files), interprocess communication (MathLink Mathematica Functions), evaluation of data as code ...

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 ...

If the front end activation dialog box appears when you launch Mathematica, either Mathematica could not locate the mathpass file or there was no valid password in the ...

The standard front end interface, as discussed in "Using a Notebook Interface", is appropriate for most users' purposes. In some cases, however, you may not need to use the ...

HighlightGraph[g, {a_1, a_2, ...}] highlights the a_i that can be vertices, edges, or subgraphs of g.HighlightGraph[g, {..., w_j[a_j], ...}] highlights using the symbolic ...

PrivateNotebookOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for notebooks that specifies various low-level notebook settings.