is a derivative work of the following images: File:Cartesian-coordinate-system.svg licensed with Cc-by-sa-3.0-migrated, GFDL, PD-user 2008-09-08T08:57:40Z
2D (two-dimensional) Cartesian coordinates grid H Padleckas created this image file during the summer of 2004. H Padleckas 01:02, 9 November 2005 (UTC)
was created with Inkscape . This image is a derivative work of the following images: File:Cartesian-coordinate-system.svg licensed with Cc-by-sa-3.0-migrated