Samarqandī mastered kalām, logic, and geometry. He wrote a sharḥ on Naṣīr al-Dīn al-Ṭūsī's taḥrīr (recension) of Ptolemy’s Almagest; a general astronomy book (nonextant); a star calendar for the year 1276-1277. Samarqandī was most influential for his various textbooks. [Fazlioglu]