{"book":"adl0258","page":18,"text":"۱۳\nپس مفهوم ا × ب اینست که عدد س پنج مرتبه گرفته شده است یعنی مراد\nاز ا ب ه ا میباشد\nاشارت ضرب ما بین آن دو عدد که تعبیر ازانها بد و حرف شده باشد\nاکثریه محذوف میباشد - و نیز مابین آن عدد که انرا ول بواسطه رقم وان\nدوم بواسطه حرف تعبیر شود محذوف میباشد - مثلا ا ب برجای\nا × ب و ۴ ا برجای ۴ × ا نوشته میشود\nتنبیه دلیل این امر که ۸۳ برجای ۳ × ۸ استعمال نمیشود\nاین است که پیش ازین در حساب ۸۳ مساوی ۸۰ + ۳ قرار داده شده است\nبعض اوقات برجای اشارت ضرب محض یک نقطه نوشته میشود\nمثلا ا . ب ا × ب را ظاهر میکند لیکن استعمال نقطه درین ارقام نمی شود\n۱۰- اشارت تقسیم\nهرگاه این علامت ذیل : ( که تلفظ آن بلفظ تقسیم میباشد ) مابین دو عدد\nنوشته شود مفهوم آن اینست که عدد یکه بطرف راست این علامت است\nبر عدد طرف چپ تقسیم شود - مثلا ا : ب ( که تلفظ آن ا تقسیم ب\nمیباشد ) ظاهر میکند که آن عدد را که بحرف از ان تعبیر شده است","chars":800,"image":"https://storage.googleapis.com/adl-page-images/adl0258/00018.jpg","first_page":1,"last_page":309,"title":"Kitāb-i jabr va muqābalah ‏كتاب جبر و مقابله Silsilah-ʼi Mūʼallifāt-i Madrasah-i Mubārakah-i Ḥabībīyah-ʼi Dār al-Salṭanah-ʼi Kābul","permalink":"https://afghanpress.org/book/adl0258/18","canvas":"https://afghanpress.org/iiif/adl0258/canvas/18","source":"https://afghanistandl.nyu.edu/books/adl0258/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0258_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}