## Hypertext Help with LaTeX

### Superscripts

To get an expression, exp, to appear as a superscript,
you just type `^{exp}`.

Can be used only in math mode. Thus, for a simple expression that is part of the running text:

x$^3$ is the third power of x

should display as "x^{3} is the third power of x".
Note that the braces around the argument may be omitted if the
superscript is a single character.

If a symbol has both subscripts and superscripts, the order doesn't matter. The following are equivalent:

a_n^2

and

a^2_n

Superscripts may have their own superscripts:

$x^{y^{z}}$

should display something like

z y x

See also: Math Formulas,
Subscripts

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Revised 31 May 1995.