Penn Library's LJS 481 - [Ḥaṭṭ al-niqāb ʻan wujūh aʻmāl al-ḥisāb]. (Video Orientation)
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Arithmetic, Ibn al-Bannāʾ Aḥmad ibn Muḥammad 1256?-1321? Talkhīṣ aʻmāl al-ḥisāb, Arithmetic -- Early works to 1800, Mathematics Arab -- Early works to 1800, Mathematics Arab, Manuscripts Arabic, Manuscripts Arabic, Codices, Commentaries, Early works
Arabic Language and Literature | History of Science, Technology, and Medicine | Mathematics
Porter, D. (2023, March 15). Penn Library's LJS 481 - [Ḥaṭṭ al-niqāb ʻan wujūh aʻmāl al-ḥisāb]. (Video Orientation). [Video file.] Retrieved from https://repository.upenn.edu/sims_video/221
Video Orientation to the University of Pennsylvania Library's LJS 481, a commentary on the summary of arithmetical operations by the late 13th- and early 14th-century scholar Ibn al-Bannāʼ. Demonstrates with examples the calculation of sums involving fractional numbers and square roots. Extensive marginal notes on a few leaves (p. 20-35). The first leaf is missing and the text ends abruptly. Several leaves have restored outer margins. Pages 189-194 missing text because of conservation after water damage.
Written in northern Africa, probably Morocco, in the 15th or 16th century.
Record on Franklin, with link to a digital copy: https://franklin.library.upenn.edu/catalog/FRANKLIN_9959542723503681
Record on Internet Archive, with a link to PDF: https://archive.org/details/ljs481