Coordinate SystemYou are currentlybrowsing as guest. Click here to log in 

Two Dimensional Coordinate Systems are a method of describing a point in a plane using an ordered pair of numbers $(n_1,n_2)$ called coordinates such that $n_1$ = constant is a set of nonintersecting lines (or curves). Similarly, $n_2$ = constant produce a second set of nonintersecting lines (or curves). Therefore the ordered pair of numbers indicate a point located at the intersection of a pair of the lines (or curves), one from each set.
A special class of coordinate systems are those where each line of one set intersect at right angles to every line of the other set. Such a system is called an Orthogonal Coordinate System.
Here are some orthogonal coordinate systems in two dimensions
Cartesian Coordinate System  Coordinate curves are both straight lines  named after the inventor of the system René Descartes  
Polar Coordinate System  Coordinate curves are circles and straight lines  
Parabolic Coordinate System  Coordinate curves are both parabolas  
Bipolar Coordinate System  Coordinate curves are both circles  
Elliptic Coordinate System  Coordinate curves are ellipses and hyperbolae 
By extension Coordinate Systems exist for three and more dimensions.
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