Insofar as to the work original to me,

This work has been released into the public domain by its author, Kbolino . This applies worldwide. In some countries this may not be legally possible; if so: Kbolino grants anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.

Derivative works of this file:

• Cartesian coordinate system (comma).svg
• CartesianPlane.svg

Older versions by 345Kai on en.wikipedia , licensed under:

345Kai at the English-language Wikipedia , the copyright holder of this work, hereby publishes it under the following license:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License , Version 1.2 or any later version published by the Free Software Foundation ; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License . http://www.gnu.org/copyleft/fdl.html GFDL GNU Free Documentation License true true

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	This licensing tag was added to this file as part of the GFDL licensing update . http://creativecommons.org/licenses/by-sa/3.0/ CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 true true

Originally from en.wikipedia ; description page is (was) here

• 01:33, 19 April 2006 345Kai 770x790 (8,555 bytes)
• 01:31, 19 April 2006 345Kai 770x790 (8,555 bytes)
• 00:36, 19 April 2006 345Kai 770x790 (8,409 bytes)
• 00:30, 19 April 2006 345Kai 780x790 (8,556 bytes)