{"book":"adl0290","page":62,"text":"۵۵ علم حساب\n(۲۰) ۷ راس اسپ و ۳ راس گاو چند پای دارند ؟\nضرب بسیط - قاعده\nمضروب و مضروب فیه را محاذی یک دیگر\nبنویسید. و مفرد اوّل مضروب را در مفرد اوّل\nمضروب فیه ضرب کنید و احاد حاصل را زیر\nهمان شکل مفرد مضروب زیر خط عرضی ثبت\nکنید اگر کمتر از عشره باشد و اگر عشره نیز داشت\nآن را بر حاصل ضرب مرتبه ما بعد زیاده نمائید\nو اگر در مرتبه ما بعد بجای عدد صفر باشد همان\nعشرات را بصورت احاد زیر صفر بنویسید. و اگر\nتنها عشرات حاصل شد بجای احاد حاصل صفر\nگذارید و عشرات را با حاصل ضرب مرتبه\nآینده جمع نمائید و وقتیکه کدام عدد را در صفر\nضرب کنید عوض حاصل ضرب صفر بنویسید تا اینکه\nهمان مفرد اوّل در تمامی صور مضروب فیه علحده\nعلحده ضرب شود بعد ازان صورت دوم مضروب\nرا در تمامی صورت های مضرب فیه ضرب کنید\nو بدان قسم که گفته شد عمل نمائید امّا احاد","chars":728,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00062.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/62","canvas":"https://afghanpress.org/iiif/adl0290/canvas/62","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."}}