{"book":"adl0290","page":240,"text":"۲۳۳\nعلم حساب ۱\nاخیر ضرب کنید پس حاصل ضرب آنها ذو اضعاف\nاقل مطلوب خواهد بود- برای سهولت عمل\nمناسب است که اول اعداد مفروض را عدد\n۲ تقسیم کنید و بعد ازان بر ۳ و ۵ وغیره تقسیم\nکرده بروید :-\nمثلاً فرض کنید که ذو اضعاف اقل ۴۲ و\n۳۰ و ۲۸ و ۱۸ مطلوب است\n۲\n۳\n۷\n۴۲ و ۳۰ و ۲۸ و ۱۸\n۲۱ و ۱۵ و ۱۴ و ۹\n۷ و ۵ و ۱۴ و ۳\n۱ و ۵ و ۲ و ۳\nپس ۵×۲×۳×۷×۳×۲ = ۱۲۶۰\nذو اضعاف اقل مطلوب می باشد دلیل عمل\nمذکور در ذیل درج است :-\n۱۸ = ۳ × ۳ × ۲\n۲۸ = ۷ × ۲ × ۲\n۳۰ = ۲ × ۳ × ۵\n۴۲ = ۲ × ۳ × ۷\n} اجزای ضربی مشترک کل اعداد\n۲×۲×۳×۳×۷×۵ است\nو حاصل ضرب آنها ۱۲۶۰ +\nتنبیہ ۱- عمل فوق مختصر هم می شود باین طریق\nکه اگر در یک سطر این چنین اعداد با شند","chars":605,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00240.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/240","canvas":"https://afghanpress.org/iiif/adl0290/canvas/240","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."}}