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Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.
ā—annus or aut.; á—aut.; Ắ—Antiphona.; a'—antiphona or autem. a.—annus. A.—Accursius or Albericus. A:—Amen. ab.—Abbas. abbāssa—Abbatissa.; abd ...
Mathematicians have several phrases to describe proofs or proof techniques. These are often used as hints for filling in tedious details. angle chasing Used to describe a geometrical proof that involves finding relationships between the various angles in a diagram. [3] back-of-the-envelope calculation
Even as the Middle Ages become increasingly well documented; historians increasingly focus on writing literature addressing some of the primary misconceptions about medieval history; [2] [3] and other historians take the alternative approach of highlighting many of the intellectual, scientific, and technological advances that took place during ...
A source book in medieval science. Cambridge: Harvard University Press. ISBN 0-674-82360-5. Hannam, James (2011). The Genesis of Science: How the Christian Middle Ages Launched the Scientific Revolution. Washington, DC: Regnery. p. 454. ISBN 978-1-59698-155-3. Huff, Toby E. (2003). The rise of early modern science: Islam, China, and the West ...
This is a timeline of pure and applied mathematics history.It is divided here into three stages, corresponding to stages in the development of mathematical notation: a "rhetorical" stage in which calculations are described purely by words, a "syncopated" stage in which quantities and common algebraic operations are beginning to be represented by symbolic abbreviations, and finally a "symbolic ...
Etymologically, the Latin word trivium means "the place where three roads meet" (tri + via); hence, the subjects of the trivium are the foundation for the quadrivium, the upper (or "further") division of the medieval education in the liberal arts, which consists of arithmetic (numbers as abstract concepts), geometry (numbers in space), music (numbers in time), and astronomy (numbers in space ...
The High Middle Ages, or High Medieval Period, was the period of European history that lasted from AD 1000 to 1300. The High Middle Ages were preceded by the Early Middle Ages and followed by the Late Middle Ages , which ended around AD 1500 (by historiographical convention).