College @ Home lists 50 ways to use
Google Chart API, a simple API for dynamically generating charts. Plot functions, visualize the evolution of the number of subscribers to a FeedBurner feed, display the results of a poll, transform HTML tables into charts and much more. Of course, you can also use Google's charts just for fun.
If you only need to create a few charts, generators like
Chart Maker,
Google Chart Creator,
Chartpart let you create charts without reading the documentation. To use Google Charts programmatically, check
this list of wrappers for Java, C#, PHP, Python.
{ Thanks, Fiona. }
