Khan Academy has delivered over 180 million lessons.
Khan Academy's mission is to provide free, world-class education to anyone, anywhere. With thousands of videos and step-by-step problems, their online materials cover subjects ranging from math and finance to history and art.
One user says, "Hope. That is what I felt when I discovered this wonderful resource. I am a 39 year old hairstylist re-enrolling in college classes with a renewed interest in math and science. I believed, unitl finding your website, that smart people were born that way. I remember the frustration of sitting in my stuffy high school math class not wanting to raise my hand. As I get older I realized through hard work and dedication and practice, practice, practice we are ALL capable of the unthinkable! You have changed what I view as possible. You have changed my life! Thank you!"
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