Graphing and Spreadsheets
These websites provide either online graphing tools ot examples of graphing.
Create a graph
A website to help you develop you graphing skills using five different types of graphs.
An online graph generator.
You can download a free trial version.
Lets you explore real graphs using real data from around the world.
Create and share spreadsheets online.
An online spreadsheet by Zoho.
This website provides free tutorials and training in the use of Excel Spreadsheets.