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This article describes the full LaTeX language; For the subset used in wikia's math tags, see Using LaTeX in a wiki.

The full LaTeX language is understood by a TeX processor, and can be used to typeset complete documents.

### LaTeX language

Main article: LaTeX language

The LaTeX language consists of a "preamble" followed by "document text".

 \documentclass{class} … your preamble goes here … \begin{document} … your text goes here …

\$$sqrt(2)+int(x)dx$$ \end{document} 

### Using LaTeX on Windows

Main article: Using LaTeX on Windows

If you are using the Windows Vista (or Windows 7) operating system, and you want to use LaTeX, and you want to install good software without spending any money, then you can install the open source proTeXt package edit and process LaTeX documents.

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