Aida Yasuaki

Aida Yasuaki (会田 安明, February 10, 1747 – October 26, 1817) also known as Aida Ammei, was a Japanese mathematician in the Edo period.

Aida Yasuaki
Born(1747-02-10)10 February 1747
Died26 October 1817(1817-10-26) (aged 70)
NationalityJapanese
Scientific career
FieldsMathematics
In this Japanese name, the surname is Aida.

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.

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