{"book":"adl0290","page":216,"text":"علم حساب ۱\n۲۰۹\nکدام عدد عدد یک را در حساب نمی آورند *\n۸۱ عدد جفت عددیست که بر دو برابر\nتقسیم شود و عدد طاق آن عدد است که بر\n۲ برابر تقسیم نه شود *\n۸۲ اگر خواص مندرجه ذیل اعداد\nذهن نشین طالب علم باشند اجزای ضربی\nاکثر اعداد محض به یک نظر معلوم میتواند شد\nو در هنگام دریافت نمودن مقسوم علیه آزمایشی\nنیز زحمت بسیار کم میباشد *\nدر جمیع صورت های ذیل اعداد بدون\nباقی تقسیم میشوند :-\nبر ۲- هرگاه هندسه اول صفر یا جفت\nباشد مثلاً ۱۰ و ۳ و ۵ وغیره *\nبر ۳ - هرگاه مجموعه هندسه های عدد\nبر ۳ برابر تقسیم شود مثلاً ۱۸۶ و ۴۰۲ *\nبر ۴- هرگاه دو هندسه اول عدد بر ۴\nبرابر تقسیم شود مثلاً ۳۰۰ و ۳۲۴ *\nبر ۵- هرگاه هندسه اول ۵ باشد یا\nصفر مثلاً ۲۱۰ و ۶۲۵ *","chars":633,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00216.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/216","canvas":"https://afghanpress.org/iiif/adl0290/canvas/216","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."}}