{"book":"adl0131","page":106,"text":"کتاب ۹۵ ساحت\n(۱۰۶) نسبت مذکور را بصورت ذیل بدل کرده میتوانیم که قطر دائره\nبا محیط دائرہ آن نسبت است که ارا نسبت است با\n۳۱۴۱۵۹۲۶۵۳۵۸۹۷۹۳ حساب تناسب مذکور تا شش صد\nمراتب بکسور عشاریه در عمل آورده شده است مگر علی العموم برا\nکار روائی عملی ۳۱۴۱۶ کافی بدانید در اکثر کتب ریاضی بجای\n۳۱۴۱۵۹۲۶۵ استعمال لفظ ک اکثر دیده شده است -\n(۱۰۷) از بیان مذکور معلوم است که وقتیکه قطر دائره معلوم باشد\nپس قاعده معلوم کردن محیط در ذیل است -\nقطر را در ۱/۷ ۳ ضرب بدهید یا اگر در جواب زیادہ صحت منظور باشد\nپس قطر را در ۳۱۴۱۶ ضرب بدهید -\nبذریعه قاعده ۳۱۴۱۶ هر قدر که مطلوب داشته باشید زیادت\nدر عمل آورده میشود مگر از حصه محیط ۱/۰۰۰۰۰ بسیار غلطی کم واقع میشود\nو در صوت مذکور اندرون ۷۵ میل از آفت هم کم غلطی بظهور می آید","chars":693,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00106.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/106","canvas":"https://afghanpress.org/iiif/adl0131/canvas/106","source":"https://afghanistandl.nyu.edu/books/adl0131/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0131_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."}}