Hādhā Sharḥ Shaykh al-Islām Zakarīyā al-Anṣārī li-manẓūmāt Ibn al-Hāʼim fī ʻilm al-jabr wa-al-muqābalah al-musammá bi-Fatḥ al-mubdiʻ fī sharḥ al-Muqniʻ

This work is a commentary on a versified, 59-line introduction to algebra, entitled Al-Muqni' fī al-jabr wa al-muqābila, by the prolific and influential mathematician, jurist, and man of letters Abū al-'Abbās Shihāb al-Dīn Aḥmad ibn Muḥammad ibn 'Alī al-Maqdisī al-Shāfi'ī, known as Ibn al-Hā'im (circa 1356-1412 [circa 753-815 AH]). It clarifies the nomenclature and explains the basic concepts of algebra, and provides succinct examples. The manuscript, completed on Thursday night, 8 Sha'bān 1305 AH (March 21, 1888), is in the hand of Tāhā ibn Yūsuf. World Digital Library.