`@math`

: Inserting Mathematical Expressions
You can write a short mathematical expression with the `@math`

command. Write the mathematical expression between braces, like this:

@math{(a + b)(a + b) = a^2 + 2ab + b^2}

This produces the following in TeX:

(a + b)(a + b) = a^2 + 2ab + b^2

and the following in Info:

(a + b)(a + b) = a^2 + 2ab + b^2

The `@math`

command has no effect on the Info output. Currently,
it has limited effect on typeset output. However, this may change since
TeX itself is designed for mathematical typesetting and does a
splendid job.

Certainly, for complex mathematical expressions, you could use TeX
directly. See section Using Ordinary TeX Commands. When you use TeX directly, remember to write the
mathematical expression between one or two ``$'` (dollar-signs) as
appropriate.

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