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
- exam209: Process exam questions and answers (LaTeX 2.09)
- vita209: A Curriculum Vitae style
- add-wes: A "book" style for Addison-Wesley house style