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- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Muqniʻ fī ʻilm al-jabr wa-al-muqābalah (1)
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On Keeping Shop: A Guidebook for Preparing Orders
This highly informative work, compiled by a Jewish apothecary in 13th century Cairo, provides a wealth of information on his craft as practiced at the time. The author, Abu al-Munā Ibn Abī Nasr Ibn Hafāż, known as Cohen al-Isra’ī'lī al-Hārūnī, completed the work in 1260 (AH 658), shortly after the Mongol sacking of Baghdad in 1258, an event that reverberated throughout the Arab world. The manuscript contains notes by the author, to be passed to his son and descendents, who would be taking over the apothecary shop after ...
The Precious Necklace Regarding Weigh Scales
This treatise on scales, measures, and weighing instruments is by a prominent member of the Jabartī family, a distinguished clan of Somali-Egyptian Ḥanafī ‘ulamā’ in Ottoman-ruled Egypt. The author, Ḥasan al-Jabartī, was the father of the famous historian ‘Abd al-Rahmān al-Jabarti (1753-1826 [1167-1241 AH]). Ḥasan al-Jabartī married into wealthy military families and also inherited substantial wealth. His relatives included merchants and ship owners, and he spent part of his life in business. He had a reputation for deep learning and was credited with restoring Egypt’s prestige as a center ...
Commentary by Islam's Sheikh Zakariyya al-Ansari on Ibn al-Hā’im's Poem on the Science of Algebra and Balancing Called the Creator's Epiphany in Explaining the Cogent
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.