{"book":"adl0290","page":593,"text":"۱۳۳\n\n۶ انچ است -\nحجم مطلوب = ۱/۴ ۳ × ۱/۲ ۲ × ۱/۲ ۱ مکعب فٹ =\n۱۱/۱۶ ۱۰ مکعب فٹ\nمثال ۲ براے یک دیوار که ۲۰ فٹ در طول و\n۱۰ فٹ در بلندی و ۲ فٹ در ضخامت است\nچند خشت بکار خواهد بود ؟\n(ابعاد ثلاثه یک خشت ۶ انچ و ۳ انچ و\n۲ انچ است)\nتعداد خشت = حجم دیوار / حجم خشت = ۲ × ۱۰ × ۲۰ / ۱/۶ × ۱/۴ × ۱/۲\n= ۱۹۲۰۰\nمثال ۳ یک حوض از آب پر است و حجم آب\n۷۲ مکعب فٹ است و طول و عرض آن ۶\nفٹ و ۴ فٹ پس عمق حوض را معلوم کنید\nعمق مطلوب = حجم آب / رقبه سطح ته آن = ۷۲ فٹ / ۴ × ۶ = ۳ فٹ\nمثال ۴ یک صندوق مع سر تخته از چوبیکه\nضخامت آن ۱/۲ انچ است ساخته شده و ابعاد\nثلاثه داخله صندوق مذکور ۲۰ انچ و ۱۵ انچ\nو ۹ انچ است پس معلوم کنید که کل چند\nمکعب انچ چوب صرف شده باشد ؟","chars":637,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00593.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/593","canvas":"https://afghanpress.org/iiif/adl0290/canvas/593","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."}}