It is an educational organization,created in 2006 by Salman Khan with the mission of “providing a high quality education to anyone, anywhere”
Link: http://www.khanacademy.org
photo by:
It is an educational organization,created in 2006 by Salman Khan with the mission of “providing a high quality education to anyone, anywhere”
Link: http://www.khanacademy.org
photo by: