# Tian yuan shu

> Chinese system of algebra developed in Jin dynasty (1248)

**Wikidata**: [Q833631](https://www.wikidata.org/wiki/Q833631)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tian_yuan_shu)  
**Source**: https://4ort.xyz/entity/tian-yuan-shu


## References

1. [Source](https://www.newton.com.tw/wiki/天元術)