A free world-class education for anyone anywhere. According to the Khan Academy Web site:
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
Millions of students from all over the world, each with their own unique story, learn at their own pace on Khan Academy every single day. We have video lessons translated into almost 40 languages and counting in addition to the Spanish, French, and Brazilian Portuguese versions of our site.
You can get free homework help from a live, online tutor. All you need is a County of Los Angeles Library Card and an Internet connection. You can use Live Homework Help from home, school and even the Library.