About Yasuaki Aida
Lived 1747 – 1817 (aged 70). Yasuaki Aida was a Japanese mathematician.
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.
1784 — OCLC 22057343766 1785 — OCLC 22049703851, Counter-arguments with seiyo sampō 1787 — OCLC 22056510030, Counter-arguments with seiyo sampō, new edition 1788 — OCLC 22056510044 1797 — OCLC 22057185824 1801 — OCLC 22057185770 1811 —
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Important facts
Contemporaries
People whose lives overlapped Yasuaki Aida's
Frequently asked questions
Who was Yasuaki Aida?
Japanese mathematician
When was Yasuaki Aida born?
Yasuaki Aida was born on 10 February 1747 in Yamagata.
When did Yasuaki Aida die?
Yasuaki Aida died on 4 December 1817 in Edo.
What was Yasuaki Aida's occupation?
Yasuaki Aida was a mathematician.
What nationality was Yasuaki Aida?
Yasuaki Aida was Japanese.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Yasuaki Aida. https://biography.guide/yasuaki-aida/
MLA: "Yasuaki Aida." Biography.guide, https://biography.guide/yasuaki-aida/.
Chicago: "Yasuaki Aida." Biography.guide. https://biography.guide/yasuaki-aida/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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