{"book":"adl0290","page":579,"text":"۱۰۹\n۴ پنس فی مربع گز معلوم کنید *\n(۲۲) برای یک میدان ۱۲۰۰ سنگ بحار است و هر\nسنگ ۲ فٹ مربع است پس مساحت میدان مذکور\nرا دریافت نمائید *\n(۲۳) خرچ فرش یک اوطاق که ۲۴ فٹ طول دارد\nبحساب ۲ شلنگ ۶ پنس فی مربع گز ۵ پوند میباشد\nپس عرض او طاق را دریافت کنید *\n(۲۴) طول یک ماشین مدور ۳ فٹ ۳ انچ و دور\nآن ۶ فٹ ۹ انچ است پس اگر ماشین مذکور بر\nزمین یک گردش کامل کند مساحت آن قطعه\nزمین را دریافت نمائید که بیک دور ماشین طی\nمیشود *\n(۲۵) طول یک تخته کاغذ ۲۰ انچ و عرض آن ۱۸ انچ\nاست پس معلوم کنید که از عرض کاغذ چه قدر\nکم کنیم که مساحت کاغذ باقی مانده ۲۱/۲ مربع فٹ\nباشد ؟\n(۲۶) از یک تخته چوبی چه قدر پاره ۵۱/۲ انچ بردار\nبریده شود که مساحت پاره مذکور یک مربع فٹ\nباشد ؟","chars":648,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00579.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/579","canvas":"https://afghanpress.org/iiif/adl0290/canvas/579","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."}}