# Grandi's series

> the infinite sum of alternating 1 and -1 terms

**Wikidata**: [Q967588](https://www.wikidata.org/wiki/Q967588)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Grandi's_series)  
**Source**: https://4ort.xyz/entity/grandi-s-series


## References

1. Freebase Data Dumps. 2013