{"book":"adl0290","page":46,"text":"علم حساب\n۳۹\n\nتفریق بسیط\n۲۷ قاعده - اعداد مفروق منه و مفروق\nرا محاذی یک دیگر یعنی احاد زیر احاد و عشرات زیر\nعشرات همچنین تا آخر بنویسید و ابتداء عمل تفریق را\nاز طرف راست نموده تفریق هر مرتبه را از محاذی\nخود آن بکنید و اگر عدد مذکور از محاذی خود کمتر باشد\nآنچه باقی بماند بزیر خط عرضی بمقابله همان مرتبه\nبگذارید و اگر هیچ باقی نماند صفر بگذارید و اگر عدد\nمفروق از مفروق منه زیاده باشد امکان تفریق\nنیست - پس یک عشره از مرتبه عشرات مفروق منه\nآورده و با احاد آن جمع نموده از مجموعه هر دو مفروق\nرا منها کنید و اگر در مرتبه عشرات عددی نباشد یکی\nاز مات و یا الوف بیاورید و هکذا - پس آن اعداد\nرا که زیر خط عرضی نوشته شوند حاصل تفریق یا\nباقی می گویند +\nمثال ۴۹۳۸ را از ۵۱۲۳ تفریق کنید :-\n\n۵۱۲۳ مفروق منه\n۴۹۳۸ مفروق\n۱۸۵ باقی","chars":713,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00046.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/46","canvas":"https://afghanpress.org/iiif/adl0290/canvas/46","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."}}