Category:Abu al-Wafa Buzjani
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English: Abū al-Wafāʾ, Muḥammad ibn Muḥammad ibn Yaḥyā ibn Ismāʿīl ibn al-ʿAbbās al-Būzjānī (10 June 940 – 15 July 998) was a Persian mathematician and astronomer who worked in Baghdad. He made important innovations in spherical trigonometry, and his work on arithmetics for businessmen contains the first instance of using negative numbers in a medieval Islamic text.
فارسی: ابوالوفا محمد بوزجانی یا ابوالوفا محمد بن محمد بن یحیی بن اسماعیل بن عباس (۳۲۸–۳۸۸ه.ق) ریاضیدان و منجم بزرگ ایرانی.
Persian mathematician and astronomer
Retrato imaginario de Abu'l-Wafa
|Date of birth||10 June 940 (statement with Gregorian date earlier than 1584)|
Buzhgan, Greater Khorasan
|Date of death||15 July 998|
|Country of citizenship|
|Field of work|