apeqnum – Number equations by appendix
A package (originally written for LaTeX 2.09, but will work in LaTeX 2e) to cause equation numbers in article class (style), as A1, A2, A3, ..., B1, etc.
Label and References
Maybe you are interested in the following packages as well.
- lablst-pkg: List names of labels in a document
- pagereference: Labels and references in Plain TeX
- crossreftools: Expandable extraction of cleveref data
- crossreference: Crossreferences within documents