- 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...
-
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...
-
negative coefficients of 'x' in
quadratic equations. Yang's
contemporary Qin
Jiushao (c. 1202–1261) was the
first to
introduce the zero
symbol into Chinese...
- not
treated as a
number at that time, but as a "vacant position". Qín
Jiǔsháo's 1247
Mathematical Treatise in Nine
Sections is the
oldest surviving Chinese...
-
formula equivalent to Heron's was
discovered by
Chinese mathematician Qin
Jiushao: A = 1 2 a 2 c 2 − ( a 2 + c 2 − b 2 2 ) 2 , {\displaystyle A={\frac {1}{2}}{\sqrt...
- Brahmagupta's
methods and concepts. In 1247, the
Chinese mathematician Qin
Jiushao wrote the
Mathematical Treatise in Nine Sections,
which includes an algorithm...
-
mathematician Zhu
Shijie in the 14th
century the
Chinese mathematician Qin
Jiushao in his
Mathematical Treatise in Nine
Sections in the 13th
century the Persian...
-
numeral system. The
Mathematical Treatise in Nine Sections,
written by Qin
Jiushao in 1247, is the
oldest surviving Chinese mathematical text to use the character...
-
discovered by Yang's
predecessor Jia Xian. Yang was also a
contemporary of Qin
Jiushao,
another well-known
Chinese mathematician. The
earliest extant Chinese...
- in Palestine. In 1247, the Song
Chinese mathematician and
inventor Qin
Jiushao invented Tianchi basin rain and snow
gauges to
reference rain, and snowfall...
