Category:Abu al-Wafa Buzjani

**Abu al-Wafa Buzjani**
	Persian mathematician and astronomer (940–998) Abul Wafa - portret imaginar
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Name in native language	mohamed hassah faarletuko;
Date of birth	10 June 940 (statement with Gregorian date earlier than 1584); Buzhgan
Date of death	15 July 998; Baghdad
Country of citizenship	Iran;
Residence	Baghdad;
Occupation	mathematician; astronomer;
Field of work	mathematics; astronomy; trigonometry; arithmetic;
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	Q298439; ISNI: 0000 0000 8454 3125; VIAF ID: 90065177; GND ID: 102419213; Library of Congress authority ID: n89120201; Bibliothèque nationale de France ID: 165594485; IdRef ID: 118702882; Nationale Thesaurus voor Auteurs ID: 090837932; National Library of Israel J9U ID: 987007372504405171; CiNii Books author ID: DA14526719; SBN author ID: VEAV466002; Open Library ID: OL7158960A, OL5917805A, OL881326A
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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.

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