{"book":"adl0290","page":980,"text":"۵۱۰\n\nمذکور باشد ؟\n(۲۱۹) رقم ذیل را مختصر کنید :-\n÷ {۱۶ ۱/۱۶ ÷ (۷ ۱/۲ × ۵ ۴/۵)} × {۱ ۴/۵ - (۲ ۱/۲ ÷ ۲/۵)}\n(۲۲۰) اگر قطر یک صحن مربع ۱۰۰ فُٹ باشد مساحت\nآنرا دریافت کنید :\n(۲۲۱) رفتار آواز فی ثانیه ۱۱۴۰ فُٹ میباشد و رفتار\nیک جهاز فی ساعت ۱۰ میل است پس دریافت\nکنید که چون تُفنگ از جهاز مذکور به مسافت\n۱۴ ۱/۲ میل برسد خود جهاز چه قدر مسافت را\nطی کرده باشد ؟\n(۲۲۲) درازی عقربِ دقیقه یک ساعت کلان ۵ ۱/۲\nفُٹ است پس دریافت کنید که نُوک آن در\n۳۵ روز چه قدر مسافت را طی خواهد کرد ؟\n(نسبت محیط به قُطر دایره ۲۲: ۷ است) :\n(۲۲۳) سه نفر ا و ب و ج اجاره گرفتند که یک کار\nرا در مدت ۲۰ روز به خرچ ۲۴۷ روپیه ۸ آنه\nبه اتمام میرسانیم ۱۰ نفر را ۸ روز و ۶ نفر را\nدر ایام باقیمانده مقرر می کند و ب ۷ نفر را\n۷ روز و ۱۲ نفر را ۱۲ روز مقرر می کند و","chars":721,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00980.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/980","canvas":"https://afghanpress.org/iiif/adl0290/canvas/980","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."}}