Aida Yasuaki

Aida Yasuaki
Born	(1747-02-10)10 February 1747
Died	26 October 1817(1817-10-26) (aged 70)
Nationality	Japanese
Scientific career
Fields	Mathematics

In this Japanese name, the surname is Aida.

Aida Yasuaki (会田あいだ 安明やすあき, February 10, 1747 – October 26, 1817) also known as Aida Ammei, was a Japanese mathematician in the Edo period.

He made significant contributions to the fields of number theory and geometry, and furthered methods for simplifying continued fractions.

Aida created an original symbol for "equal". This was the first appearance of the notation for equal in East Asia.

Selected works

In a statistical overview derived from writings by and about Aida Yasuaki, OCLC/WorldCat encompasses roughly 50 works in 50+ publications in 1 language and 50+ library holdings.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.

• 1784 — Shoyaku konʼitsujutsu (諸しょ約やく混こん一いち術じゅつ) OCLC 22057343766
• 1785 — Kaisei sanpō (改あらため精算せいさん法ほう) OCLC 22049703851, Counter-arguments with seiyo sampō
• 1787 — Kaisei sanpō kaiseiron (改あらため精算せいさん法ほう改正かいせい論ろん) OCLC 22056510030, Counter-arguments with seiyo sampō, new edition
• 1788 — Kaiwaku sanpō (解かい惑筭法ほう) OCLC 22056510044
• 1797 — Sanpō kakujo (筭法廓くるわ如) OCLC 22057185824
• 1801 — Sanpō hi hatsuran (筭法非ひ撥ばち亂らん) OCLC 22057185770
• 1811 — Sanpō tensei-ho shinan (算法さんぽう天生あもう法ほう指南しなん, Mathematical Introduction of 'Tensei-ho)

See also

• Sangaku, the custom of presenting mathematical problems, carved in wood tablets, to the public in shinto shrines
• Soroban, a Japanese abacus
• Japanese mathematics

References

• Endō Toshisada (1896). History of mathematics in Japan (日本にっぽん數學すうがく史し史し, Dai Nihon sūgakush). Tōkyō: _____. OCLC 122770600
• Restivo, Sal P. (1992). Mathematics in Society and History: Sociological Inquiries. Dordrecht: Kluwer Academic Publishers. ISBN 978-0-7923-1765-4; OCLC 25709270
• Selin, Helaine. (1997). Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures. Dordrecht: Kluwer/Springer. ISBN 978-0-7923-4066-9; OCLC 186451909
• Shimodaira, Kazuo. (1970). "Aida Yasuaki", Dictionary of Scientific Biography. New York: Charles Scribner's Sons. ISBN 0-684-10114-9
• David Eugene Smith and Yoshio Mikami. (1914). A History of Japanese Mathematics. Chicago: Open Court Publishing. OCLC 1515528– note alternate online, full-text copy at archive.org
• J. Marshall Unger. (2015). Sangaku Proofs: A Japanese Mathematician at Work. Ithaca, N.Y.: Cornell East Asian Series.
• J. Marshall Unger. (2017). Sangaku Reflections: A Japanese Mathematician Teaches. Ithaca, N.Y.: Cornell East Asian Series.

External links

• O'Connor, John J.; Robertson, Edmund F., "Aida Yasuaki", MacTutor History of Mathematics Archive, University of St Andrews