Yang hui biography

Chinese mathematician and writer (c. 1238–1298)

For the Chinese ice dancer, see Yang Hui (figure skater).

In this Chinese name, the family name is Yang.

Yang Hui (simplified Chinese: 杨辉; traditional Chinese: 楊輝; pinyin: Yáng Huī, ca.

1238–1298), courtesy nameQianguang (謙光), was a Chinese mathematician and writer during the Song dynasty. Originally, from Qiantang (modern Hangzhou, Zhejiang), Yang worked on magic squares, magic circles and the binomial theorem, and is best known for his contribution of presenting Yang Hui's Triangle.

Yang hui biography

This triangle was the same as Pascal's Triangle, discovered by Yang's predecessor Jia Xian. Yang was also a contemporary of Qin Jiushao, another well-known Chinese mathematician.

Written work

The earliest extant Chinese illustration of 'Pascal's triangle' is from Yang's book Xiángjiě Jiǔzhāng Suànfǎ (詳解九章算法)^[1] of 1261 AD, in which Yang acknowledged that his method of finding square roots and cubi