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, meteorologist...

twelfth and thirteenth centuries: Yang Hui, Qin Jiushao, Li Zhi (Li Ye), and Zhu Shijie. Yang Hui, Qin Jiushao, Zhu Shijie all used the Horner-Ruffini method...

mathematician Zhu Shijie in the 14th century the Chinese mathematician Qin Jiushao in his Mathematical Treatise in Nine Sections in the 13th century the...

mathematical text written by Chinese Southern Song dynasty mathematician Qin Jiushao in the year 1247. The mathematical text has a wide range of topics and...

Shushu Jiuzhang ("Mathematical Treatise in Nine Sections"), written by Qin Jiushao. The height of a triangle can be found through the application of trigonometry...

text in Palestine. In 1247, the Song Chinese mathematician and inventor Qin Jiushao invented Tianchi basin rain and snow gauges to reference rain, and snowfall...

inventor Qin Jiushao in 1247. As precipitation was for important agriculture and food production, the Song Chinese mathematician and inventor Qin Jiushao developed...

Chinese. It was published in Mathematical Treatise in Nine Sections (Qin Jiushao, 1247). There are many ways to prove Heron's formula, for example using...

writer and poet Qin Hui (秦檜; 1090–1155), Southern Song dynasty politician Qin Jiushao (秦九韶; 1202–1261), Southern Song dynasty mathematician Qin Liangyu (秦良玉;...

(1051–1107) Ouyang Xiu (1007–1072) Qiao Ji (died 1345) Qu You (1341–1427) Qin Jiushao (c. 1202 – 1261) Su Shi (1037–1101) Su Song (1020–1101) Shi Naian (c...