{"book":"adl0290","page":54,"text":"۴۷\nعلم حساب\n\nتصور کرده میشود آن اعداد را که بذریعه علامت +\nو ـ مربوط باشند ارکان میگویند ـ طریق آسان برای\nمعلوم کردن قیمت یک جمله که در آن چند اعداد\nبه علامات + و ـ مربوط باشند این است ـ که اوّل\nمجموعه اعداد مثبت معلوم کرده شود و بعده مجموعه\nاعداد منفی و بعد ازان فرق هر دو مجموعه معلوم\nکرده شود *\nمثال بر قیمت ۴۷۳ - ۳۶۹ + ۸۲۱ - ۴۰۳ را\nاکنون ۴۷۳ + ۸۲۱ = ۱۲۹۴\nو ۳۶۹ + ۴۰۳ = ۷۷۲\nبنا برین نتیجه مطلوب = ۱۲۹۴ - ۷۷۲\n= ۵۲۲*\n\nامثله نمبر۶\nقیمت جمله های ذیل را معلوم کنید:-\n(۱) ۹۷۳ - ۷۲۴ + ۲۰۹*\n(۲) ۶۸۹۶۵ - ۸۶۹۵ - ۶۳۸۶*\n(۳) ۸۷۰۳ - ۷۹۳۵ + ۳۰۰۲ - ۱۰۳۰*\n(۴) ۱۶۰۰ - ۹۲۴ - ۳۰۰ - ۸۸*","chars":568,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00054.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/54","canvas":"https://afghanpress.org/iiif/adl0290/canvas/54","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."}}