ProofWiki:Mathematicians/Chia Hsien

Chia Hsien or Jia Xian (贾宪) was a Chinese mathematician best known for inventing Pascal's Triangle about 500 years before Pascal.

Nationality

Chinese

History

• Born: c. 1010, China
• Died: c. 1070, China

Theorems and Definitions

• Pascal's Triangle

Books and Papers

• 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.

Also see

• John J. O'Connor and Edmund F. Robertson: "Chia Hsien": MacTutor History of Mathematics archive