al-karajialphabetical list of mathematiciansal abbas ibn said al jawaharihistory of math research topicsmath history topicsal-battani factsmathematics topicsal-kashi pithabit ibn qurra biographyumar ibn yusufibrahim ibn sinanibn sina biographywhat is al-battani known forbiography of math
Ahmad Ibn Yusuf Life story
Abu Ja'far Ahmad ibn Yusuf ibn Ibrahim ibn Tammam al-Siddiq Al-Baghdadi, known in the West by his Latinized name Hametus, was a Muslim Arab mathematician, like his father Yusuf ibn Ibrahim.