{"book":"adl0290","page":483,"text":"۱۳\n\nقریب تر است :- ۱۵۹ ، ۳ ، یا ۳،۱۴ ، ۳ ؟\n(۲۱) از دو رقم ذیل کدام رقم به ۲۷۱۸۲۸۱۸۲۸\nقریب تر است :- ۲۷۱۸۲ ، یا ۲۷۱۸۳ ، ۲ ؟\n\n(۱۳۹) ضرب کسور اعشاریه\nاگر دو کسر اعشاریه را بکسور عام تبدیل نموده\nباهم ضرب کنیم حاصلضرب آنها مساوی آن کسر\nعام میباشد که صورت آن حاصلضرب آن رقوم\nاست که بعد از دور کردن علامت اعشاریه\nپیدا میشود و مخرج آن رقمیست که بعد از زیادتی\nآن قدر اصفار به طرف راست هندسه ۱\nپیدا میشود که در دو رقم مذکور تعداد هندسه\nاعشاریه است و اگر این حاصلضرب را که در\nصورت کسر عام است در کسر اعشاریه تبدیل\nکنیم تعداد هندسه هائی کسر اعشاریه ماسوای\nعدد صحیح مساوی تعداد صفرهائی که در مخرج\nکسر عام است خواهد بود بنابرین طریق ضرب\nکسور اعشاریه حسب ذیل می باشد *\n\nقاعده - رقوم سوال را باهم به این\nطریق ضرب کنید که در اعداد صحیح کرده می شود","chars":730,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00483.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/483","canvas":"https://afghanpress.org/iiif/adl0290/canvas/483","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."}}