Anonymous treatise on multiplication [‎1r] (1/4)

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Anonymous treatise on multiplication

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Ref: IO Islamic 1362, ff 1r-2v

The record is made up of Ff. 1r-2v. It was created in 18th century. It was written in Arabic. The original is part of the British Library: Oriental Manuscripts.

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Anonymous treatise or fragment of a treatise on multipication. The text treats of two methods (مسلكان) of a type of multiplication it refers to as ضرب التوشيح.

Begins (f. 1r, lines 1-3):

وضرب التوشيح وهو أن تضع المضروب في اليمين والمضروب فيه في اليسار متحاذية المراتب بحيث يكون الآحاد

تحت العشرات وهي تحت المئات ويكون بينهما فرجة ليتسع العمل فاضرب أعلى مراتب المضروب في كل واحد واحد

من مراتب المضروب فيه ...

Ends (f. 2v, lines 5-7):

المسلك الثاني ضرب الأصفار وهو أن تجمع مراتب المضروبين ويلقي الواحد

عن المجموع وترتسم بعدة الباقي أصفارًا فتضرب أولًا أول المضروب في أول

المضروب فيه وتضع آحاد الحاصل فوق أول الأصفار وعشراته إن كانت له تلك

Extent and format

Ff. 1r-2v

Written in

Arabic in Arabic script

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Anonymous treatise on multiplication [‎1r] (1/4), British Library: Oriental Manuscripts, IO Islamic 1362, ff 1r-2v, in Qatar Digital Library <https://www.qdl.qa/archive/81055/vdc_100066089178.0x000013> [accessed 1 February 2025]

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Reference: IO Islamic 1362, ff 1r-2v
Title: Anonymous treatise on multiplication
Pages: 1r:2v
Author: Please see item description
Usage terms: Public Domain

Anonymous treatise on multiplication [‎1r] (1/4)

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