Because the world needs Online Optimization and Simulation Tools (ecological/economic/social), they should be free. So we will find or develop and provide free tools.
I have a large collection of items found via Internet Searches. I will post them here by mid-February (2004).
Excel Everywhere
www.xleverywhere.com/samples/live_chart/live_chart.htm
www.exceleverywhere.com/nonez/roi12.htm
Extend - Imagine That, Inc.com $900 for a single user license + $200/year!!!
business case:
farmer's analysis tools -
Integrated Pest Management (barely developed, don't bother): www.ipm.uiuc.edu/decision
http://www.gg144.com/FlashExamples/RegEq2.swf
These were all created for an online statistics course. They are listed in the order students typically progress through them. Each one generates random numbers then walks students through solving the formula. The solution steps are specific for the instructor for whom they were created, so they may not match another instructor's exact process.
The main feedback from instructors is that it is a huge relief not to