Fujita Sadasuke, Date of Birth, Date of Death

Fujita Sadasuke

mathematician

Date of Birth: 12-Dec-1734

Date of Death: 09-Sep-1807

Profession: mathematician

Nationality: Japan

Zodiac Sign: Sagittarius

Fujita Sadasuke (?? ??, December 12, 1734 - September 9, 1807), also known as Honda Teiken, was a Japanese mathematician in the Edo period.
He is the author of Seiyo sampo (Essence of Mathematics) which was published in 1781.Sadasuke was the father of Fujita Kagen (1765–1821), who is credited with publishing the first collection of sangaku problems.