Book:Chia Hsien/Huangdi Jiuzhang Suanjing Xicao/Historical Note

Historical Note on Huangdi Jiuzhang Suanjing Xicao

While Huangdi Jiuzhang Suanjing Xicao has been lost, its contents are known about through Yang Hui, who cites it extensively in his Xiangjie Jiuzhang Suanfa of $1261$.

Hence our knowledge of the appearance of Yang Hui's triangle, now known in the West as Pascal's Triangle