{"book":"adl0290","page":254,"text":"۲۴۷\nعلم حساب ۱\n۲/۳ حصه دو ذرع است\nبناءً علیه خواهد یک ذرع را به سه حصه\nمساوی تقسیم کرده ازان جمله دو حصه گرفته\nشود و خواه دو ذرع را به سه حصه مساوی\nتقسیم نموده از جمله آنها یک حصه گرفته شود\nبهر دو صورت حاصل مساوی خواهد بود و\nاز ثلث عدد ۲ مراد این است که ۲ به سه حصه\nبرابر تقسیم شده و ازان جمله یک حصه گرفته\nشده است بنا بر آن ثلث ۲ = ۲/۳ یعنی دو ثلث\nاست *\n۹۸ - یک حصه یا چند حصص احد را کسر\nمیگویند- و در کتابت تعبیر کسر به دو عدد کرده\nمی شود که یکی ازانها بالا و دیگر زیر نوشته میشود\nو میان هردو یک خط عرضی حائل می با شد\nعدد زیرین را نسب نما یا مخرج یا مقام میگویند\nو انان ظاهر میشود که یک عدد صحیح در چند\nحصص مساوی تقسیم شده است و عدد بالا را\nشمار کننده یا کسر نما یا صورت میگویند و آن\nدلالت میکند بر تعداد آن حصص که از جمله","chars":724,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00254.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/254","canvas":"https://afghanpress.org/iiif/adl0290/canvas/254","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."}}