The Khan Academy is a not-for-profit organization with the mission of providing a high quality education to anyone, anywhere. They have 1000+ videos on YouTube covering everything from basic arithmetic and algebra to differential equations, physics, chemistry, biology and finance which have been... [[ THIS IS JUST A SUMMARY OF THE ARTICLE/POST. CLICK THE TITLE TO VISIT THE MAIN SITE TO READ FULL ARTICLE WITH PHOTOS ]] 
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