# class number formula

> mathematic formula

**Wikidata**: [Q3291120](https://www.wikidata.org/wiki/Q3291120)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Class_number_formula)  
**Source**: https://4ort.xyz/entity/class-number-formula


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)