This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

Generating and Importing TeX

Mathematica notebooks provide a sophisticated environment for creating technical documents. But particularly if you want to merge your work with existing material in TeX, you may find it convenient to use TeXForm to convert expressions in Mathematica into a form suitable for input to TeX.
TeXForm[expr]print expr in TeX input form

Mathematica output for TeX.

Here is an expression, printed in standard Mathematica form.
Click for copyable input
Here is the expression in TeX input form.
Click for copyable input
convert TeX input to Mathematica

Converting TeX strings to Mathematica.

This converts a TeX string to Mathematica. Note the double backslashes needed in the string.
Click for copyable input
In addition to being able to convert individual expressions to TeX, Mathematica also provides capabilities for translating complete notebooks. These capabilities can usually be accessed from the FileSave As... menu in the notebook front end.