Ahmad ibn Yusuf
ARABIC MATHEMATICIAN
Aḥmad ibn Yusuf; Abu Ja'far Aḥmad ben Yusuf ben Ibrahim; Abu Jafar Ahmad ibn Yusuf; Abu Ja'far Ahmad ben Yusuf ben Ibrahim; Ahmed ibn yusuf; Ibn Yusuf Ahmed; Hametus; Ahmed ibn Yusuf; Ahmad ibn Yusuf al-Misri; Ahmad ibn Yusuf ibn al-Daya; Aḥmad ibn Yūsuf
Abu Ja'far Ahmad ibn Yusuf ibn Ibrahim ibn Tammam al-Siddiq Al-Baghdadi (; 835–912), known in the West by his Latinized name Hametus, was a Muslim Arab mathematician, like his father Yusuf ibn Ibrahim ().