[Ḥaṭṭ al-niqāb ʻan wujūh aʻmāl al-ḥisāb]; [حط النقاب عن وجوه اعمال الحساب]

Name:

Ibn al-Qunfudh, Aḥmad ibn Ḥusayn, -1406 or 1407; Ibn al-Bannāʼ, Aḥmad ibn Muḥammad, 1256?-1321?

Timespan:

Early works to 1800

Date:

1400

Description:

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.

Language:

Arabic

Provenance:

Sold by Sam Fogg Ltd. (London) to Lawrence J. Schoenberg, July 2004.; Deposit by Lawrence J. Schoenberg and Barbara Brizdle, 2013.; Gift of Barbara Brizdle Schoenberg, 2021.

Relation:

The Lawrence J. Schoenberg and Barbara Brizdle Manuscript Initiative Fund Home Page: http://hdl.library.upenn.edu/1017.12/366278; Digital facsimile for download (OPenn): https://openn.library.upenn.edu/Data/0001/html/ljs481.html; Video orientation: https://hdl.library.upenn.edu/1017.12/100000487

Subject:

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

Resource Type:

Text

Form/Genre:

Manuscripts, Arabic; Codices; Commentaries; Early works; manuscripts (documents)

Physical Description:

159 leaves : paper; 268 x 195 (205 x 135) mm bound to 274 x 208 mm

Rights:

https://rightsstatements.org/vocab/NoC-US/1.0/

Notes:

Ms. codex.; Title supplied by cataloger.; Pagination: 159 leaves; [1-55, i-ii, 56-151, i-ii, 152-165, 164-273, 174-179, 280-312], later pagination in blue ink, upper center. Catchwords on each leaf, lower left verso, many obscured by past water damage.; Layout: Written in 24 long lines.; Script: Written in maghribi script in brown ink; pointed. Headings in larger script.; Decoration: Calculations in red ink. Numerous tables in red and brown ink.; Binding: Later red leather, blind-stamped with central mandorla, two pendants on the vertical axis, cornerpieces and frame; rebacked. Marbled doublure.; Origin: Written in northern Africa, probably Morocco, in the 15th or 16th century.; Watermarks: Laid European paper with grape watermark.; Lawrence J. Schoenberg & Barbara Brizdle Manuscript Initiative.; Arabic.

Physical Location:

Kislak Center for Special Collections, Rare Books and Manuscripts, Manuscripts, Oversize LJS 481

Collection:

Lawrence J. Schoenberg Collection (University of Pennsylvania)