page_title: Ottonian Renaissance
section_title: Sciences
hierarchical_section_title: Ottonian Renaissance / Sciences
caption_attribution_description: Français&#160;: Diagramme de Byrthferth&#160;: les mystères de l'univers. Adam (centre), les quatre points cardinaux (nord à gauche), les quatre éléments (terre, eau, air, feu), les quatre saisons et les quatre âges correspondants de la vie, et enfin les douze signes du zodiaque. Byrthferth de Ramsey, Enchiridion, XIe siècle - manuscrit&#160;: Angleterre, vers 1080
context_page_description: The Ottonian Renaissance was a renaissance of Byzantine and Late Antique art in Central and Southern Europe that accompanied the reigns of the first three Holy Roman Emperors of the Ottonian dynasty: Otto I, Otto II, and Otto III, and which in large part depended upon their patronage. The leading figures in this movement were Pope Sylvester II and Abbo of Fleury.
context_section_description: The growing interest in the disciplines of the quadrivium (arithmetic, geometry, music and astronomy) was translated to the teachings of the leading scholars of their time, such as Abbo of Fleury who wrote many treatises on the calculation of the computus, astronomical subjects such as the trajectories of the sun, moon and planets, and a star catalogue.
  The future Pope Sylvester II, introduced the use of wooden terrestrial spheres for the astronomical study of the movement of the earth, planets and constellations, the use of the monochord for musical study, and construction of the abacus for arithmetic studies. Fulbert of Chartres introduced the use of Arabic numerals.
  Hermann of Reichenau, of the school of Reichenau, was famed for his treatises on the astrolabe, calculus and music.
caption: Ottonian era diagram, Diagram of Byrthferth: the mysteries of the universe
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