cliparts/5/7/2/6/clipart-two-dimensional-cartesian-coordinate-system-5726.svg image/svg+xml Open Clip Art Library Two dimensional Cartesian coordinate system 2012-07-16T08:52:17 Two dimensional Cartesian coordinate system http://openclipart.org/detail/171201/two-dimensional-cartesian-coordinate-system-by-zinka-171201 zinka 2D Cartesian clip art clipart coordinate system