{"book":"adl0290","page":863,"text":"۳۹۳\n\n∴ ٢٣/٢٤ مثقال طلای خالص = ٢٣/٢٤ × ٧٢/١١ = ٦٩/١١\n= ٣/١١ ٦ روپیه انگریزی\nمثال ٢ - تبادل حقیقی مابین یکروپیه انگریزی\nو یک روپیه پخته کابلی معلوم کنید وزن\nروپیه کابل ۲ مثقال است و در آن\n٢٣/٢٤ حصه نقره خالص میباشد و وزن\nروپیه انگریزی ۲/۵ مثقال است و در آن\n١١/١٢ حصه نقره خالص می باشد -\nنقره خالص در یکروپیه انگریزی = ٥/٢ × ١١/١٢ مثقال = ٥٥/٢٤ مثقال\nو نقره خالص در یکروپیه کابلی مثلاً = ۲ × ٢٣/٢٤ مثقال = ٢٣/١٢ مثقال\n∴ یکروپیه انگریزی = ٥٥ × ١٢ / ٢٤ × ٢٣ = ٥٥/٤٦ = ٩/٤٦ ١ روپیه کابلی\nمثال ٣ - ۵۵۰ روپیه کابلی را به روپیه انگریزی\nبحساب ۱ روپیه ۹ شاهی تبدیل کنید\nیکروپیه انگریزی = یکروپیه و ٩ شاهی = ٢٩/٢٠ روپیه کابلی = ٢٩/٢٠ ١ روپیه\n∴ ۵۵۰ روپیه کابلی = ٢٠ × ٥٥٠ / ٢٩ = ٢٩/١١٠٠٠ روپیه انگریزی\n= ٩/٢٩ ٣٧٩ روپیه کله دار\nمثال ۴ - تبادل رسمی را ما بین هندوستان و\nانگلستان معلوم کنید در صورتیکه در نرخ\nسکه هندوستان ۲۵ فیصد خساره باشد و","chars":827,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00863.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/863","canvas":"https://afghanpress.org/iiif/adl0290/canvas/863","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."}}