# Mathematical Treatise in Nine Sections

> mathematical text written by Chinese Southern Song dynasty mathematician Qin Jiushao in 1247

**Wikidata**: [Q997981](https://www.wikidata.org/wiki/Q997981)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mathematical_Treatise_in_Nine_Sections)  
**Source**: https://4ort.xyz/entity/mathematical-treatise-in-nine-sections


## References

1. Freebase Data Dumps. 2013