Aida Yasuaki 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... Wikipedia
Born: February 10, 1747, Yamagata, Yamagata, Japan
Died: October 26, 1817 (age 70 years), Tokyo, Japan