This lesson is designed to familiarize students to the Cartesian Coordinate System and its many uses in the world of mathematics. Created and maintained by The Shodor Education Foundation.

Written by Ralph Byrns, Economics Department, University of North Carolina at Chapel Hill

An interactive introduction to graphing created by Massey University,a university in New Zealand.

2D and 3D graphing programs designed by Dr. William Webber of Whatcom Community College