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Headquartered in Waterloo, Ontario, Canada, Descartes is a publicly traded company with shares listed on the NASDAQ Stock Market (NASDAQ: DSGX) and Toronto Stock Exchange (TSX: DSG). It has offices in the Americas, Europe, the Middle East, Africa, and the Asia Pacific region . History [ edit] Descartes was founded in 1981. [2]

René Descartes (/ d eɪ ˈ k ɑːr t / or UK: / ˈ d eɪ k ɑːr t /; French: [ʁəne dekaʁt] (); Latinized: Renatus Cartesius; 31 March 1596 – 11 February 1650): 58 was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and science.

Descartes on Polyhedra: A Study of the "De solidorum elementis" is a book in the history of mathematics, concerning the work of René Descartes on polyhedra.Central to the book is the disputed priority for Euler's polyhedral formula between Leonhard Euler, who published an explicit version of the formula, and Descartes, whose De solidorum elementis includes a result from which the formula is ...

Edit " Masks " is the seventeenth episode of the seventh season of the American science fiction television series Star Trek: The Next Generation, the 169th episode overall. Set in the 24th century, the series follows the adventures of the Starfleet crew of the Federation starship Enterprise-D.