1, the classic "Weekly Parallel Computing" annotated by Zhao Shuang of Wu State in Wei and Jin Dynasties, is the ancient mathematical system of Qin, Han and China;

2 "Nine Chapters of Arithmetic" was written by Wei Chu Xu Yue at the end of Han Dynasty, which is the representative of mathematical works;

3.11~14th century works about 300 years, such as Jia Xian's Nine Chapters of Arithmetic of Huangdi and Liu Yi's Theory of Gugen, etc.

4. Zu Chongzhi and his son calculated the pi between 3, 14 15926 ~ 3, 14 15927, and put forward the Zuqiu principle and the solutions of quadratic and cubic equations.

5, "Jigu Shujing", Wang Xiaotong's note in the early Tang Dynasty;

6. Ten Books on Computing, edited by Li in 656.