Muhammad_al-Baghdadi
Abu Bakr Muhammad Ibn ‘Abd al-Bāqī al-Baghdadi al-Ansārī al-Kaabī[1][2] (1050-1141) (Arabic: محمد بن عبد الباقي البغدادي) also known as Qadi al-Maristan, was an Arab[1] jurist and mathematician.
He was the author of a commentary on the tenth book of Euclid's Elements, which was translated by Gerard of Cremona as Liber judei super decimum Euclidis.[3] The work was popular in Europe with several Latin manuscripts still extant.
Other works include:[4]
- Jadawil al-Jayb al-Mahlul al-Daqiqa (detailed tables of sines for each minute),
- Risala fi Taqrib Usul al-Hisab fi' al-Jabr wa-‘l-Muqabala (Treatise on approximation of principles of arithmetic)
- Kitab al-Tabaqat fi Sharh al-Misaha (book on measurements)