He was an astronomer, and translated into Latin as Liber de compositione astrolabii, a major work of Islamic science on the astrolabe by Maslamah Ibn Ahmad al-Majriti, that he dedicated to his colleague at the Toledo School, John of Seville.
He was an astronomer who authored "Liber de compositione astrolabii" in Latin, a significant Islamic scientific text on the astrolabe by Maslamah Ibn Ahmad al-Majriti. He dedicated this work to his colleague at the Toledo School, John of Seville.