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Qin Jiushao
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Geliefert zwischen Mi., 28.01.2026 und Do., 29.01.2026
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High Quality Content by WIKIPEDIA articles! Qin Jiushao, courtesy name Daogu ( ), was a Chinese mathematician. He was born in Ziyang, Sichuan, his ancestry was from Shandong, and is now regarded as one of the greatest mathematicians of the 13th century. This is particularly remarkable, as Qin did not devote his life to mathematics. He was accomplished in many other fields, however, and held a series of bureaucratic positions in several Chinese provinces. Qin's reputation as a mathematician lies in the Shùsh Ji zh ng ( Mathematical Treatise in Nine Sections ), issued in 1247. The treatise covered matters that ranged from indeterminate analysis to military matters and surveying. In the treatise, Qin included a version of the Chinese remainder theorem, which used algorithms to solve problems. In geometry, he discovered Qin Jiushao's formula in finding the area of a triangle with given length of three sides. This is the same as Heron's formula, discovered earlier. Qin recorded the earliest explanation of how Chinese calendar experts calculated astronomical data according to the timing of the winter solstice.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131485589
- Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
- EAN 9786131485589
- Titel Qin Jiushao
- Herausgeber Betascript Publishing
- Anzahl Seiten 92
- Genre Mathematik
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