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• Al-Jayyani — Abu Abd Allah Muhammad ibn Muadh Al Jayyani, shortened to Al Jayyani (989, Cordova, Al Andalus – 1079, Jaen, Al Andalus) was an Arab mathematician from Al Andalus (in present day Spain). Al Jayyani wrote important commentaries on Euclid s… …   Wikipedia

• Ibn Mu'adh al-Jayyani — Abd Allah Muhammad Ibrahim al Yayyani, [Abu Abd Allah Muhammad ibn Ibrahim ibn Muhammad ibn Mu ad al Sa bani al Yayyani], conocido como Ibn Mu adh al Jayyani, Ibn al Sammak o Ibn Muad de Jaén el Joven, (Jaén,? id. 1093) fue un matemático de Al… …   Wikipedia Español

• Spherical trigonometry — Spherical triangle Spherical trigonometry is a branch of spherical geometry which deals with polygons (especially triangles) on the sphere and the relationships between the sides and the angles. This is of great importance for calculations in… …   Wikipedia

• History of trigonometry — The history of trigonometry and of trigonometric functions may span about 4000 years.EtymologyOur modern word sine is derived from the Latin word sinus , which means bay or fold , from a mistranslation (via Arabic) of the Sanskrit word jiva ,… …   Wikipedia

• Arabesque — The arabesque is an elaborative application of repeating geometric forms that often echo the forms of plants and animals. Arabesques are an element of Islamic art usually found decorating the walls of mosques. The choice of which geometric forms… …   Wikipedia

• Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …   Wikipedia

• Islamic contributions to Medieval Europe — Christian and Muslim playing chess in al Andalus, from The Book of Games of Alfonso X, el Sabio, c. 1285. The game of chess originated in India, but was transmitted to Europe by the Islamic world.[1] Islamic contributions to Medieval Europe …   Wikipedia

• Nasir al-Din al-Tusi — Persian Muslim scholar Naṣīr al Dīn al Ṭūsī The Astronomical Observatory of Nasir al Din al Tusi Title Khawaja Nasir …   Wikipedia

• Trigonométrie sphérique — La trigonométrie sphérique est un ensemble de relations analogues à celles de la trigonométrie euclidienne mais portant sur les angles et distances repérés sur une sphère. La figure de base est le triangle sphérique, délimité non plus par des… …   Wikipédia en Français

• Ulugh Beg — Ulugh Bek Forensic facial reconstruction Born March 22, 1394 Sultaniyeh Died October 27, 1449 Occupation …   Wikipedia