{"book":"adl0290","page":315,"text":"٣٠٨\n\n۲ : (٣ + ۴) این است که ۲ را بر حاصل جمع ۳ و ۴\nتقسیم کنید و مفهوم (۲+٣) ۴ این است که حاصل\nجمع ۲ و ٣ را در ۴ ضرب کنید و مفهوم ١٣ - (٣+۵)\nاین است که حاصل جمع ۳ و ۵ را از ۱۳ تفریق کنید و\nمفهوم ۷ - (٣ +۴-۲) این است که حاصل تفریق\n۴ و ۲ را اول با ٣ جمع کنید و بعد ازان حاصل جمع\nرا از ۷ تفریق نمائید - بنابرین لازم است که اوّل\nآن رقوم حل کرده شود که داخل خطوط وحدانی\nباشند و بعد ازان دیگر رقوم *\nتنبیه چون در ابتدای خطوط وحدانی\nهیچ علامت نباشد در انجا علامت ضرب مقدر\nمی باشد - مثلاً ٣ (۵ - ۴) = ٣ × (۵ - ۴)\nو (٣ + ۲) (۴ - ۲) = (٣ + ۲) × (۴ - ۲) *\n١٢۶ اگر در ابتدای خطوط وحدانی علامت\nجمع + باشد خطوط وحدانی زائد می باشد -\nمثلاً ٨ + (٧ - ۵ + ۲) = ٨ + ٧ - ۵ + ۲\nو چون در ابتدای خطوط وحدانی علامت - منفی\nباشند بوقت دور نمودن آن اگر داخل خطوط\nوحدانی علامت جمع باشد به منفی و اگر","chars":770,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00315.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/315","canvas":"https://afghanpress.org/iiif/adl0290/canvas/315","source":"https://afghanistandl.nyu.edu/books/adl0290/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0290_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."}}