Kambei Mori

Mōri Shigeyoshi (Japanese毛利 重 能, birth and date of death unknown) was a Japanese mathematician of the early Edo period. His nickname was Kambei (勘 兵卫, Kambe ).

Mōri was originally samurai Toyotomi Hideyoshi in the service, he later received the rank of provincial governor of Dewa (出 羽 守, Dewa no Kami ). In his youth he had gone to the study of arithmetic in China in the Ming Dynasty. In the camp of Osaka, he maintained friendly relations with the also the gender of the Mōri belonging Mōri Katsunaga whose unit he was subordinate.

The written by him and published in 1622, " Minutes of the Division " (割 算 书, Warizan -sho, so the common name) is considered together with the "Notes on the use of arithmetic " (算 用 记, San'yo -ki ) as important, representative of the early Edo period Wasan font. In the colophon of Warizan sho stated: " Moved From Iraka - bayashi in a circle Muko province Settsu to Kyoto and [ there ] resident, opened a school ( juku ) with the name, Far and wide number one [ in the ] division calculation ' ( 割算 の 天下一Warizan tenka ichi, or according to billboard " in the instruction in the division"割 算 天下 一 指南Warizan tenka ichi Shinan ) ". Mōri formed from subsequent outstanding Wasan scholars, among them Mitsuyoshi Yoshida, Tomoaki Imamura and Takahara Yoshitane, who had previously studied under Seki Takakazu. Moris master student Yoshida, Imamura and Takahara are commonly referred to as "three sons of Mōri " (毛利 の 三子, Mōri no Sanshi ).

In 1972 we put him in the Kumano shrine a memorial stone, at whose side the following year the Sangaku Shrine (算 学 神社, Sangaku -jinja; literally " shrine of the computational theory " ) was built.