- Born: c. 1010, China
- Died: c. 1070, China
Theorems and Definitions
- Huangdi Jiuzhang Suanjing Xicao (The Yellow Emperor's detailed solutions to the Nine Chapters on the Mathematical Art)
- Suanfa Xuegu Ji (A collection of ancient mathematical rules)
Both are now lost, but the first is referred to extensively in Yang Hui's Xiangjie Jiuzhang Suanfa.