{"book":"adl0290","page":252,"text":"۲۴۵\nعلم حساب ۱\nباب بیست و سوم\nکسور\n۹۶- اگر هندسهٔ کدام عدد مقرون مثلاً یک ذرع را تعبیر کند پس آن را در هر قدر حصه که بخواهیم تقسیم کرده می توانیم - مثلاً فرض کنید که آن حصص با هم برابر می باشند - و تعداد آنها سه است پس از جمله آنها یک حصه به ۱/۳ کرده خواهد شد که در تلفظ یک ثلث گفته میشود و سه حصه به ۳/۳ تعبیر کرده خواهد شد.\nواگر یک ذرع دیگر به همین طریق به سه حصه برابر تقسیم کرده شود و ازان جمله یک حصه با ۳/۳ جمع کرده شود مجموعهٔ آنها به ۴/۳ تعبیر کرده خواهد شد، و آن در تلفظ چهار ثلث خوانده می شود و اگر دو حصه جمع کرده شود مجموعهٔ آنها به ۵/۳ تعبیر کرده خواهد شد و علیٰ هذالقیاس -","chars":586,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00252.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/252","canvas":"https://afghanpress.org/iiif/adl0290/canvas/252","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."}}