{"book":"adl0290","page":199,"text":"علم حساب ۱\n۱۹۲\n\n۷۷ - نفع و نقصان\n\nمثال- اگر ۲۵ گز پارچه به نرخ ۷ روپیه ۶\nشاهی فی گز خریده شود و به نرخ ۸ روپیه ۹ شاهی\nفروخته شود معلوم کنید که در آن چه قدر نفع\nخواهد بود ؟\n\nنفع یک گز پارچه = (۸ روپیه ۹ شاهی) -\n(۷ روپیه ۶ شاهی) = ۱ روپیه ۳ شاهی\n\n۲۱۳ = ۱ روپیه ۳ شاهی x ۲۵\n= ۳۱ روپیه ۳ شاهی\nجواب\n\nامثله نمبر ۴۳\n\n(۱) اگر شخصی ۱۵ سیر برنج را که قیمت یک سیر\nآن ۳ روپیه ۶ شاهی میباشد بعوض ۲۲ سیر\nگندم که قیمت یک سیر آن ۲ روپیه ۶ شاهی\nمیباشد بدهد معلوم کنید که به او چه قدر نفع\nیا نقصان خواهد رسید *\n(۲) شخصی ۱۵۰ گز پارچه به نرخ یک روپیه یک\nشاهی ۳ پیسه فی گز می خرد و به نرخ یک","chars":570,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00199.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/199","canvas":"https://afghanpress.org/iiif/adl0290/canvas/199","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."}}