Aida Yasuaki

Template:Short description Template:Infobox scientist Template:Family name hatnote Template:Nihongo also known as Aida Ammei, was a Japanese mathematician in the Edo period.<ref>Smith, David. (1914). Template:Google books</ref>

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.<ref name="jochi38">Jochi, Shigeru. (1997). Template:Google books</ref>

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.<ref>WorldCat Identities Template:Webarchive: 会田安明 1747–1817 Template:Webarchive</ref> {{#invoke:Hatnote|hatnote}}{{#ifeq:||}}

• 1784 — Template:Nihongo OCLC 22057343766
• 1785 — Template:Nihongo OCLC 22049703851, Counter-arguments with seiyo sampō<ref name="jochi38"/>
• 1787 — Template:Nihongo OCLC 22056510030, Counter-arguments with seiyo sampō, new edition<ref name="jochi38"/>
• 1788 — Template:Nihongo OCLC 22056510044<ref name="jochi38"/>
• 1797 — Template:Nihongo OCLC 22057185824<ref name="jochi38"/>
• 1801 — Template:Nihongo OCLC 22057185770<ref name="jochi38"/>
• 1811 — Template:Nihongo<ref name="jochi38"/>

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). Template:Nihongo. Tōkyō: _____. Template:OCLC
• Restivo, Sal P. (1992). Mathematics in Society and History: Sociological Inquiries. Dordrecht: Kluwer Academic Publishers. Template:ISBN; Template:OCLC
• Selin, Helaine. (1997). Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures. Dordrecht: Kluwer/Springer. Template:ISBN; Template:OCLC
• Shimodaira, Kazuo. (1970). "Aida Yasuaki", Dictionary of Scientific Biography. New York: Charles Scribner's Sons. Template:ISBN
• David Eugene Smith and Yoshio Mikami. (1914). A History of Japanese Mathematics. Chicago: Open Court Publishing. Template:OCLC– 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

• Template:MacTutor Biography