Do you know some good sites for self-studying?

Other than Open Study and OCW, edx..., is there some place that you actually find organized free knowledge in an general way , on the internet?

Thanks :)

Question

Do you know some good sites for self-studying?

Other than Open Study and OCW, edx..., is there some place that you actually find organized free knowledge in an general way , on the internet?

Thanks :)

anonymous · Answer

http://www.wolframalpha.com/examples/Math.html for maths

anonymous · Answer

i know of some helpful sites like for homework help, umm.. http://www.mathway.com/ http://www.purplemath.com/ or you could just google homework help sites and there will be a list of them :)

anonymous · Answer

more than homework stuff, but something to help learning and thinking itself.

 More like khan academy but with much more discussion.

anyway, thanks

anonymous · Answer

im not really sure of any, sorry i couldnt be of any help :/

anonymous · Answer

Wikipedia!