alleqno – Automatic numbering of all equations
Redefines \[ ... \] to behave as a equation environment, and defines \[[ ... \]] to behave as an eqnarray environment.
Maybe you are interested in the following packages as well.
- eqnarray209: A fix for LaTeX 2.09 eqnarray
- acronym209: An algorithm package developed for LaTeX 2.09
- cyrillic209: Provides basic LaTeX 2.09 font access to the Washington cyrillic fonts
- bsl: Access bold computer modern slanted in LaTeX 2.09