### Hypertext Help with LaTeX

# equation

\begin{equation}
math formula
\label{eqno1}
\end{equation}

The equation environment centers your equation on the page and places
the equation number in the right margin.
The `\label` command is required
only if you want to use a `\ref`
command to refer to the number assigned to this equation.

The Display Math environment gives the
same effect without the equation number.

Related topics
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Revised: Sheldon Green, 31 May 1995.