# Mathematician:Chia Hsien

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## Mathematician

Chinese mathematician best known for discussing Pascal's Triangle about $500$ years before Blaise Pascal.

## Nationality

Chinese

## History

- Born: c. 1010 in Kaifeng, China
- Died: c. 1070 in China

## Theorems and Definitions

## Writings

- c. 1050:
*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* of $1261$.

## Also known as

- Simplified Chinese:
**贾宪** - Traditional Chinese:
**賈憲** - Pinyin:
**Jiǎ Xiàn** - Wade–Giles:
**Chia Hsien**