Maths Times Infinity > Resources
Resources
Here's a list of 29 quality resources: Mambo!
A nice free online graphing tool. Really easy to use. Pretty fast, nice colours.
You can even share stuff at the click of a button! For example, this tries to demonstrate how the constant part of a quadratic affects its graph: http://bit.ly/nqXUGw
GeoGebra
A really awesome program. Completely free and really easy to use. Download here or Google it. The RC one is a beta so I prefer the other one. You can also run it online in a java applet.
Here are some GeoGebra things I made that you might like.