A vector is a mathematical entity that has both magnitude and direction or is an element of a vector space. A vector is typically represented graphically by an arrow with its tip indicating the direction, while its lengt... More »

www.reference.com Math Calculus

According to Wichita State University, Rene Descartes invented the Cartesian Plane, which is a theory of using ordered pairs to determine a specific point. This theory, explained in "La Geometrie," led to the invention o... More »

The dot product is a scalar that is equal to the length of the projection of one vector X onto a unit vector pointing in the same direction as another vector Y, provided that X and Y start in the same location. The cross... More »

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Precalculus with limits is a high school math course that covers topics in algebra, geometry and trigonometry and prepares students to study calculus. Students often take this course as juniors or seniors in high school. More »

www.reference.com Math Calculus

Precalculus is a course that prepares students for calculus classes. Advanced ability with functions, analytic geometry, function representations, algebraic expressions and a familiarity with trigonometry are all part of... More »

www.reference.com Math Calculus

"Span" in linear algebra refers to the set of all linear combinations of vectors in a vector space. The span of a set of vectors S is the intersection of all subspaces within the given vector space V that contain vectors... More »

A vector quantity is a quantity of something which possesses both magnitude and direction. Magnitude is simply the size or amount of the quantity. For example, the magnitude of the quantity eight miles per hour is eight.... More »

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