I just discovered a site called mathigon
I have not played with it at all yet, i just saw it referred to on a geogebra YouTube clip.
It looks really interesting.
Maybe someone else might like to play with it. ?
Here are some clips on its use:
Wow that is so cool! I know a lotttt of math sites, but never heard of this. Thanks for sharing!
oh yeah my teacher showed me it once. very fun to use, mostly goes over fundamentals