seceqn – Number theorems by section
The package formats equation numbers with a section number prefix, with the number itself reset for each section.
Label and References
Maybe you are interested in the following packages as well.
- format: Format a counter as a fixed-point number
- hex: Print a counter in hexadecimal
- crossreference: Crossreferences within documents
- fancyref: A LaTeX package for fancy cross-referencing