{"book":"adl0290","page":712,"text":"۲۴۲\nیک کشت را در ۱۰ روز میخورد پس ۵\nراس گاو و ۴ راس اسپ علف مذکور\nرا در چند روز خواهد خورد ؟\nگاو : گاو :: اسپ : ج :: ۶x۵/۸ = ۱۵/۴ اسپ\n∴ ۵ گاو + ۴ اسپ = (۱۵/۴+۴) = ۳۱/۴ اسپ\nلهذا ۳۱/۴ اسپ : ۶ اسپ :: ۱۰ روز : ج ∴ ج = ۴x۱۰x۶/۳۱\n= ۲۴/۳۱ ۷ روز\nمثال ۶- ا یک کار را در ۷ روز بانجام\nرسانیده می تواند و ب در ۹ روز پس\nدریافت کنید که هر دو یک جا کار کرده\nکار مذکور را در چند روز تمام خواهند کرد؟\nا ۱/۷ کار را در یک روز تمام میکند\nو ب ۱/۹ \" \" \" \" \"\n∴ ا + ب (۱/۷+۱/۹) \" \" \" \"\nیعنی ۱۶/۶۳ حصه کار \" \" \" \"\n∴ ۱۶/۶۳ کار : ا کار :: ۱ روز : ج\n∴ ج = ۱x۶۳/۱x۱۶ = ۱۵/۱۶ ۳ روز\nمثال ۷- مابین ۲ بجه و ۳ بجه عقرب های\nساعت چه وقت زاویه قایمه می سازد ؟","chars":622,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00712.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/712","canvas":"https://afghanpress.org/iiif/adl0290/canvas/712","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."}}