# Leibniz formula for π

> alternating series which converges to π/4

**Wikidata**: [Q97226587](https://www.wikidata.org/wiki/Q97226587)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Leibniz_formula_for_π)  
**Source**: https://4ort.xyz/entity/leibniz-formula-for


## References

1. Freebase Data Dumps. 2013