COPYRIGHT NOTICE !

This site is not intended for any commercial purpose. The only purpose behind it is to supply free and high quality learning material for K-12, college and university students studying in english, in french or in turkish. Some of the material in this site is prepared by myself, some of them are taken from the sites who published them under GNU-General Public License and some of them are taken from individual sites by taking the authorization of the author. They are not changed or modified and the name and the address of the author is mentioned to the extent that it is found in the original site or supplied by the author himself/herself.

This authorization is asked from the author by e-mail if possible. But some authorization requests are not replied back by the author, and some authorization requests are not possible to be made, because the e-mail address of the author is not mentioned on the source page.

If you are one of the authors that I couldn’t reach for the above mentioned reasons please notify me by e-mail by making reference to your site either:

1. You want me to remove your work from my server,
2. You give me authorization to continue to publish your work in my site

The only reason for me to take a copy of those pages in my server is to ensure the continuity and uniformity of this service and I never try to publish your work as if it were mine !