{"book":"adl0290","page":67,"text":"علم حساب\n۶۰\n\nمثال ۱ ۷۲۸ را در ۳۲۹ ضرب کنید :-\n(ا) ۷۲۸ (ب) ۷۲۸\n۳۲۹ ۳۲۹\n۶۵۵۲ = ضرب ۹ ۶۵۵۲\n۱۴۵۶۰ = ضرب ۲۰ ۱۴۵۶\n۲۱۸۴۰۰ = ضرب ۳۰۰ ۲۱۸۴\n۲۳۹۵۱۲ = ضرب ۳۲۹ ۲۳۹۵۱۲\n\nدرین مثال برای معلوم نمودن حاصل\nضرب ۷۲۸ و ۳۲۹ اول ۷۲۸ را در ۹\nضرب کردیم و بعد ازان در ۲۰ و بعد ازان\nدر ۳۰۰ و هر سه حاصل ضرب را جمع نمودیم مجموعه\nحاصل ضرب مطلوب میباشد و این حاصل ضرب\nبواسطۀ اجزاء مضروب فیه و جمع نمودن حاصلاب\nمختلفه از روی قواعد مندرجه دفعات فوق معلوم\nکرده شده است. در عمل ضرب ۲۰ و ۳۰۰ حاجت\nنوشتن صفر ها به طرف راست نیست چرا که\nصفرهای مذکور بر مجموعه که بعد ازان به عمل\nمی آوریم هیچ اثر ندارند. بنا برین عمل ضرب\nمثل (ب) میباشد *","chars":598,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00067.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/67","canvas":"https://afghanpress.org/iiif/adl0290/canvas/67","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."}}