{"book":"adl0290","page":584,"text":"۱۱۴\n.: طول قالین = ۲۰×۲۸/۳/۴ = ۳×۲۰×۲۸ فط\n= ۲۴۰ فط = ۸۰ گز\nمثال ۲ مساحت چهار دیوار یک اوطاق که طول\nآن ۲۰ فط و عرض آن ۱۵ فط و بلندی آن\n۱۰ فط است چه قدر می باشد ؟\nطریق دریافت نمودن مساحت چهار دیوار\nاوطاق مستطیل این است که مجموع اضلاع\nآن در ارتفاع اوطاق ضرب کرده شود -\nمجموع اضلاع مستطیل = (۲۰+۱۵) × ۲ فط = ۷۰ فط\n.: مساحت دیوار ها = ۷۰×۱۰ مربع فط = ۷۰۰ مربع فط\nطول کاغذ که برای دیوار ها مطلوب باشد\nبه قاعده مندرجه مثال اول معلوم کرده میشود-\nتنبیه - اگر در دیوار کلکین و دروازه وغیر باشد\nو دریافتن نمودن خرچ کاغذ مطلوب باشد\nباید که مساحت دروازه وغیره را دریافت نموده\nاز مساحت دیوار منها کرده شود +\nامثله نمبر ۱۱۴\nطول قالین که برائی اوطاق های ذیل بکار","chars":646,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00584.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/584","canvas":"https://afghanpress.org/iiif/adl0290/canvas/584","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."}}