# Software Articles

Saturday, May 25, 2013

## Browse Reference Articles

81 to 90 of 106 articles

• ### Ellipse

In mathematics, an ellipse is a plane algebraic curve where the sum of the distances from any point on the curve to two fixed points is constant. An ellipse can be drawn with two pins, a loop of ... > more
• ### Correlation

In probability theory and statistics, correlation, also called correlation coefficient, indicates the strength and direction of a linear relationship between two random variables. In general ... > more
• ### John von Neumann

John von Neumann (December 28, 1903 - February 8, 1957) was a Hungarian-German mathematician and polymath who was a pioneer of the modern digital computer and the application of operator theory to ... > more
• ### Tessellation

A tessellation or tiling of the plane is a collection of plane figures that fill the plane with no overlaps and no gaps. One may also speak of tessellations of parts of the plane or of other ... > more
• ### Hyperbolic geometry

In mathematics, hyperbolic geometry is a non-Euclidean geometry, meaning that the parallel postulate of Euclidean geometry is rejected. The parallel postulate in Euclidean geometry states, for two ... > more
• ### Tetrahedron

A tetrahedron (plural: tetrahedra) is a polyhedron composed of four triangular faces, three of which meet at each vertex. A regular tetrahedron is one in which the four triangles are regular, or ... > more
• ### Algebraic geometry

Algebraic geometry is a branch of mathematics which, combines abstract algebra, especially commutative algebra, with geometry. It can be seen as the study of solution sets of systems of polynomials. ... > more
• ### Cyber-bullying

Cyber-bullying (cyberbullying, online bullying) is the use of electronic information and communication devices such as e-mail, instant messaging, text messages, mobile phones, pagers and defamatory ... > more
• ### Topology

Topology is a branch of mathematics, an extension of geometry. Topology begins with a consideration of the nature of space, investigating both its fine structure and its global structure. Topology ... > more

A paradox is an apparently true statement or group of statements that leads to a contradiction or a situation which defies intuition. Typically, either the statements in question do not really imply ... > more

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