2 Use of Packages

Additional commands/structures defined in packages.

For example, latexsym defines special math symbols, such as \Box [].

To use it:

  \usepackage{latexsym} % Loads latexsym.sty
  . . .

Note: \usepackage can only be used in the preamble; i.e., it must come before the \begin{document} line.

Last updated: October 27, 2002
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