##### Results From The WOW.Com Content Network

x.

**AOL**works best with the latest versions of the browsers. You're using an outdated or unsupported browser and some**AOL**features may not work properly.The

**Descartes**Systems Group Inc. (commonly referred to as**Descartes**) is a Canadian multinational technology company specializing in logistics software, supply chain management software, and cloud -based services for logistics businesses.**Descartes**is perhaps best known for its abrupt and unexpected turnaround in the mid-2000s after coming close ...René

**Descartes**( / deɪˈkɑːrt / or UK: / ˈdeɪkɑːrt /; French: [ʁəne dekaʁt] ( listen); Latinized: Renatus Cartesius; [note 3] [16] 31 March 1596 – 11 February 1650 [17] [18] [19] : 58 ) was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and science.**Descartes**is a heavily worn lunar impact crater that is located in the rugged south-central highlands of the Moon. To the southwest is the crater Abulfeda. It is named after the French philosopher, mathematician and physicist René**Descartes**. [1] The rim of**Descartes**survives only in stretches, and is completely missing in the north.**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 ...**Descartes'**rule of signs Positive roots. The rule states that if the nonzero terms of a single-variable polynomial with real coefficients are ordered by descending variable exponent, then the number of positive roots of the polynomial is either equal to the number of sign changes between consecutive (nonzero) coefficients, or is less than it by an even number.AOL Mail provides a safe and delightful email experience for millions of people around the world. AOL questions? Get 24x7 live expert help with all of your AOL needs from email and passwords, technical questions, mobile email and more. Upgrade your account by calling 1-800-358-4860.