Qin Jiushao (Chinese: 秦九韶; pinyin: Qín Jiǔshào; Wade–Giles: Ch’in Chiu-Shao, ca. 1202–1261), courtesy name Daogu (道古), was a Chinese mathematician.
Qin Jiushao (Chinese: 秦九韶; pinyin: Qín Jiǔshào; Wade–Giles: Ch’in Chiu-Shao, ca. 1202–1261), courtesy name Daogu (道古), was a Chinese mathematician.