Author

Qin Jiushao

Chinese mathematician

1201 or 1202   -   1261

country of citizenship: China
occupation: mathematician, meteorologist

Qin Jiushao (Chinese: 秦九韶; pinyin: Qín Jiǔsháo; Wade–Giles: Ch'in Chiu-shao, ca. 1202–1261), courtesy name Daogu (道古), was a Chinese mathematician, inventor, politician and author. He is credited for discovering Horner's method as well as inventing Tianchi basins, a type of rain gauge instrument used to gather meteorological data.
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