Where can I get a free on-line tutorlials on acedemic subjects?
by 
TallJasperMan
ANSWERS: 3
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http://www.google.com would be my source for you. plus five for asking an interesting question.
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There are some Universities that provide all of the course lectures and notes online for free. I think MIT, for example, does it to some degree. So I'd suggest checking out some University web sites.
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Mmmm...astronomy?? Don't know if it will help any, but check out CliffNotes website: http://www.cliffsnotes.com/WileyCDA/CliffsReviewTopic/Astronomy.topicArticleId-23583.html Great website for help with many topics, suggest you sign up for free newsletters as well!
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