Khanacademy.org

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The Khan Academy is a not-for-profit educational organisation created and sustained by Salman Khan. With the stated mission "of providing a high quality education to anyone, anywhere", the Academy supplies a free online collection of more than 2,000 videos on mathematics, science, history, and economics. Salman Khan is a Bangladeshi American born and raised in New Orleans, Louisiana, USA. Žr.: en. Khan_Academy

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