"Below is a list of freely available online mathematics, data analysis and graphing resources.
* The Interactive Library: Math - This EdInformatics.com site is a list of links to interactive integrated math and science sites. Some Java applets are standalone and some come with lesson plans and notes
* The Interactive Library: Calculators - This EdInformatics.com site is a list of links to interactive calculators including a Roman numerals calculator, a graphing applet, a virtual abacus and a scientific conversions applet
* Create a Graph - Graph data online
* GraphPad - Graph data online
The following math and data analysis resources are available for a fee.
Commercial products
* InspireData - Not an interactive site, but a nice data analysis software tool, by the developers of Inspiration and Kidspiration. You can download a free 30-day trial"
"Welcome to 3DVinci's Math Forum Page!
Google SketchUp is a free, fun, easy-to-use 3D modeling application.
Originally created for architects and designers, SketchUp is also a great
tool for teaching geometry.
The resources on this page will help you bring SketchUp into your classroom
and show you some wonderful projects in 2D and 3D geometry."
"Welcome to the Google SketchUp for Educators Community, a site to share, connect & learn
This site is brought to you by Google and made especially for Google SketchUp educators and students. Come join and help us build it!
Google SketchUp is an easy-to-use program that lets you and your students create, modify and share 3D models. From history to calculus, you'll be surprised at how easy it is to see your ideas in 3D. And when you're done, you can export an image, make a movie or print out a view of what you made."