8 Packages and Styles

8.1 Packages

Packages are used to extend LaTeX's functionality and to define (or redefine) ways of typesetting. They are sometimes calles style files, and are given the extension .sty. To include a package in your LaTeX document you use the \usepackage command before the document environment begins, e.g.


% Use the graphicx package for graphics


There are many packages available, including:

8.2 Beamer

The beamer package is designed not for written documents, but for presentations to accompany talks. It changes a lot of LaTeX's typesetting rules, changes the style dramatically, and adds lots of new commands. It is very flexible and powerful, but does take some time to learn.


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