عن الكتاب
Kislak Center for Special Collections, Rare Books and Manuscripts, LJS 464. Granada, 1445. Commentary on the Talkhīṣ aʻmāl al-ḥisāb, a treatise on mathematical operations by Aḥmad ibn Muḥammad Ibn al-Bannāʼ, with particular focus on calculations involving fractions and square roots. According to the notes of Mahdi Abdeljaouad and Jeffrey Oaks, the manuscript includes excerpts from 3 other treatises: Rafʻ al-ḥijāb ʻan wujūh aʻmāl al-ḥisāb (his own commentary on the Talkhīṣ); Maqālāt fī ʻilm al-ḥisāb; and Kitāb al-jabr wa-al-muqābalah (a treatise on algebra). 5 computational tables (f. 27r, 34v, 35r, 46v, 49v). Includes corrections of text and calculations. Penn Libraries Catalog: go to Franklin