An interactive gallery of the mathematical traditions of East Asia spanning over 3000 years.
A mathematics text by the obscure mathematician Du Zhong 杜总.
A mathematics text by the scholar and mathematician Xu Shang 许商.
The method of solving simultaneous linear equation with arbitrarily many unknowns was fully developed by this time. This method is equivalent to Gaussian elimination.
Chinese music theorist, mathematician, and diviner.
Chinese astronomer, inventor, mathematician, and literary scholar.
The oldest surviving Chinese text on mathematical astronomy.
Modular congruences were used to organize the Taichu calendar 太初历.
Earliest records of a prototype abacus used in the 2nd century AD.
A collection of 246 problems was officially finalized in this year. The work probably included mathematics known since the Warring States Period (476 - 221 BC).
Chinese mathematician and astronomer.
Oldest copy of any Chinese mathematical text unearthed.
The use of determinant-like solutions to linear systems of two variables existed in the “Suan Shu Shu” 《算数书》and “Jiu Zhang Suan Shu”《九章算术》. However, the method is actually a result of the double false-position interpolation applied on linear functions.
A method of solving systems of linear congruences.
Chinese mathematician.
A nascent form of trigonometry. The chong cha shu 重差术 is a generalization of a surveying method found in the "Zhou Bi Suan Jing" called the ri gao shu 日高术.
Chinese statesman, Confucian scholar, music theorist, and mathematician.
A geometric method for calculating pi.
Solids with equal cross-sectional areas have equal volume.
Mathematical text by Liu Hui.
Earliest base ten multiplication table excavated. The multiplication table is written on bamboo strips.
Chinese philosopher famous for his arguments of logical classes and identity.
Chinese philosopher famous for his ten paradoxes.
The "Mo Jing"《墨经》 is a philosophical text detailing the Mohist research of logic, ethics, geometry, optics, and mechanics.
A collection of arithmetic problems. This text is famous for the earliest written exposition of the Chinese Remainder Theorem.
Chinese astronomer, mathematician, and inventor.
Chinese astronomer and mathematician.
Mathematics text written by the Chinese mathematician Zhang Qiujian 张邱建.
Chinese philosopher, craftsman, and engineer.
A Chinese text on mathematics and astronomy by Zu Chongzhi and Zu Geng. The text was lost since the Southern Song dynasty.
Counting rods were well in use starting around this time for performing arithmetic.
Chinese astronomer and mathematician.
Chinese astronomer, mathematician, and diviner.
Mathematical text by Wang Xiaotong.
Earliest reference to the Luo Shu 3x3 magic square.
Chinese mathematician, astronomer, inventor, and Buddhist monk.
According to the "Zhou Bi Suan Jing" 《周髀算经》, Zhou Gong 周公 (Duke of Zhou) consulted Shang Gao 商高 on astronomical matters. In one conversation, the Gougu method (Pythagorean theorem in the West) was mentioned as a way to calculate the length of a gnomon's shadow.
Earliest Chinese text that utilizes abstract symbols for describing natural change.
Method of finite series.
Chinese mathematician.
Chinese engineer, inventor, and pharmacologist.
Chinese scientist and statesman.
Chinese mathematician.
Higher-order difference interpolation.
Chinese mathematician and bureaucrat.
Polynomial algebra up to four unknowns.
Chinese mathematician, astronomer, and engineer.
Chinese mathematician.
Mathematics text by Qin Jiushao.
Mathematical text by Li Ye.
Earliest evidence of the decimal system and unit fractions used in ancient China.
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