Background
Yasushi Wada was born in 1787 in Tokyo, Japan.
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Yasushi Wada
Edit Profile寧 和田
also known as
Toyonoshin
Career
Yasushi Wada was appointed an official at Zojoji Temple at Shiba, Edo (now Tokyo), and then head instructor of abacus to the Tsuchimikado family. After resigning engaged in teaching mathematics. He discovered many new theories of high mathematics.
