ابن سہل (ریٲضی دان): گردانَن مَنٛز فَرَق

'''ابن سہل''' (مکمل نام: Abū Sa 'd al-ʻAlâʼ ibn Sahal ʻAbou ād al-Âalāʼ bne Şahl Şahal Ş۔ ۹۴۰-۱۰۰۰ ′ اوس اَکھ فارسی ریٲضی دان تہٕ اِسلٲمی سنہری دورُک طبیعیات دان یم سُنٛد تعلق [[بَغداد|بغداد]] کہ [[بویِد|بوید]] دربارس سٕتؠسٟتؠ اوس۔<ref>[https://books.google.com/books?id=_AUtLNtg3nsC&q=ibn+sahl+persian+mathematician%2FThe&pg=PA89 Enterprise of Science in Islam: New Perspectives] - J۔ P۔ Hogendijk, A۔ I۔ Sabra "The first clear evidence we have of a correct understanding of Ptolemy's theory of refraction does not appear in the Arabic sources available to us until the second half of the tenth century, when the Persian mathematician al-Ala ibn Sahl was able to put Ptolemy's ideas to use in formulating entirely original geometrical arguments for the construction of burning instruments by means of refraction"</ref><ref>http://www.iranicaonline.org/articles/optics,"There are a number of optical texts by authors with a Persian ethnicity or association۔ The earliest is Abu Saʿd al-ʿAlāʾ Ebn Sahl at the Persian Buyid court (945–1055), better known for his early conception of the “sine law of refraction” and burning mirrors (Rashed, 1990, pp۔ 464-68; 1993; 2005) than his work on optics proper (Sabra, 1989, pp۔ lix-lx; 1994)."</ref><ref>https://ijhpm.org/index.php/IJHPM/article/download/111/62,"Exploiting{{مۄردٕ جوڈ|date=January 2023}} {{Webarchive|url=https://web.archive.org/web/20191116142854/https://ijhpm.org/index.php/IJHPM/article/download/111/62 |date=2019-11-16 }} the 10th-century Persian