# YBC 7289

> ancient clay tablet showing an approximation of √2

**Wikidata**: [Q2178529](https://www.wikidata.org/wiki/Q2178529)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/YBC_7289)  
**Source**: https://4ort.xyz/entity/ybc-7289


## References

1. [Source](https://news.yale.edu/2016/04/11/3800-year-journey-classroom-classroom)