{"book":"adl0290","page":56,"text":"علم حساب ۴۹\nباب پنجم\nضرب\n۳۰- چون یک عدد به قرار احاد عدد دیگر بار بار جمع کرده شود آن طریق مختصر را که برای دریافت نمودن حاصل جمع اعداد مذکور استعمال میشود ضرب میگویند. مثلاً اگر ۳ در ۴ ضرب کرده شود همان عدد پیدا خواهد شد که از مجموعه چهار ۳ پیدا میشود و این مجموعه ۳+۳+۳+۳ = ۱۲ میباشد. پس ضرب یک طریق مختصر برای جمع اعداد میباشد. عددی را که در عدد دیگر ضرب شود مضروب و عددی را که در آن ضرب کرده شود مضروب فیه گفته میشود.\nچون این علامت صلیبی × مابین دو یا زیاده اعداد نوشته باشد مفهومش این است که اعداد مذکور در یک دیگر ضرب نموده شوند.","chars":535,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00056.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/56","canvas":"https://afghanpress.org/iiif/adl0290/canvas/56","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."}}