Abū al-Wafā' Būzjānī, Persian mathematician and astronomer (born 940)

Abu al-Wafa' al-Buzjani

Persian mathematician and astronomer (940–998)

Abū al-Wafāʾ Muḥammad ibn Muḥammad ibn Yaḥyā ibn Ismāʿīl ibn al-ʿAbbās al-Būzjānī or Abū al-Wafā Būzhjānī was a Persian mathematician and astronomer who worked in Baghdad. He made important innovations in spherical trigonometry, and his work on arithmetic for businessmen…