Ajima Naonobu (安島 直円, 1732 – May 20, 1798), also known as Ajima Manzō Chokuyen, was a Japanese mathematician of the Edo period. His Dharma name was (祖眞院智算量空居士)...

Naonobu (written: 直円 or 尚信) is a masculine Japanese given name. Notable people with the name include: Ajima Naonobu (安島 直円, 1732–1798), Japanese mathematician...

Naonobu is a small lunar impact crater named after Japanese mathematician Ajima Naonobu. It is located on the eastern Mare Fecunditatis, to the northwest...

mathematician Ajima Naonobu prior to the work of Malfatti, and included in an unpublished collection of Ajima's works made a year after Ajima's death by his...

problem that had previously been considered by Japanese mathematician Ajima Naonobu); these circles are now known as the Malfatti circles, although the...

Kinai (d. 1757) Arima Raido (1714–1783) Fujita Sadasuke (1734-1807) Ajima Naonobu (1739–1783) Aida Yasuaki (1747–1817) Sakabe Kōhan (1759–1824) Fujita...

in promoting mathematics education in Japan. Sakabe was a student of Ajima Naonobu. Sakabe investigated some European and Chinese works which had appeared...

after his work, despite the earlier work of Japanese mathematician Ajima Naonobu and of Malfatti's countryman Gilio di Cecco da Montepulciano on the...

Agatharchides Agrippa Pierre d'Ailly George Biddell Airy Robert Grant Aitken Ajima Naonobu Harold Alden Kurt Alder Buzz Aldrin Nikolai Alekhin Alexander the Great...

rediscovered a method to produce the odd squares given by Agrippa, and Naonobu Ajima. Thus by the beginning of the 18th century, the Japanese mathematicians...