{"book":"adl0290","page":65,"text":"علم حساب ۵۸\n\nرقم ۳۷ - چون طرف راست کدام عدد یک\nصفر بگذاریم قیمت عدد ده چند قیمت سابق آن\nمیشود - لہٰذا اگر بخواهیم که حاصل ضرب کدام عدد\nو ۱۰ را معلوم کنیم حاصل ضرب مذکور از نوشتن\nیک صفر طرف راست آن عدد حاصل میشود -\nمثلاً ۲۳۰ = ۱۰ × ۲۳ ÷\nهمچنین اگر بخواهیم که کدام عدد را در ۱۰۰ یا\n۱۰۰۰ و غیره ضرب کنیم برای دریافت نمودن\nحاصل ضرب مطلوب .. یا ... یا زیاده اصفار\nطرف راست آن عدد خواهیم نوشت - و اگر\nبخواهیم که کدام عدد را در ۳۰ ضرب کنیم - پس\nاول آن عدد را در ۳ ضرب می نمائیم و بعد ازان\nطرف راست حاصل ضرب صفر می گذاریم - و\nاین عدد آخری حاصل ضرب مطلوب خواهد بود -\nو برای ضرب ۳۰۰ و غیره نیز همین قاعده میباشد.\nمثال ۳۲۹ را در ۶۰۰ ضرب کنید :-\n\nعمل ۳۲۹\n۶۰۰\n۱۹۷۴۰۰ جواب","chars":658,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00065.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/65","canvas":"https://afghanpress.org/iiif/adl0290/canvas/65","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."}}