2 ms·
Here is a direct link to his webpage http://www.khanacademy.org/ http://www.khanacademy.org/ he seems to have quite a variety of subjects
by dondraper 17y ago
Here is a direct link to his webpage
http://www.khanacademy.org/ http://www.khanacademy.org/
he seems to have quite a variety of subjects