Class 3.2

Excel Models



Modeling Software

Name Company Demo/R.Time Platform Expandible User-friend Learn-curve Comments
STELLA HPS RTime Mac/Win NO 5 5 Lots of users. Most used in the academia.
POWERSIM PS Demo Win ? ? ? Growing fast. Web-oriented.
EXTEND Imagine-
That 		Demo Win/Mac YES 4 3 Modular. Odum's formalism.
SIMULINK Math-
works 		Web-demo Win/Mac/
UNIX 		YES 3 2 Built on top of MATLAB. More power, but higher price.
VENSIM Ventana Demo Win/Mac NO 5 4 Cheap
MODELMAKER CS Demo Win ? ? ? ?
MADONNA UC Berkeley R.Time Win/ Mac NO 5 5 Allows optimization
Stella compatible
GOLDSIM GoldSim
Consulting 		Player
Evaluation 		Win YES 3 2 Probabalistic
Free academic licenses
SIMILE University of
Edinburgh 		Full Win/ UNIX NO? ? ? Also individual based models
Free

More links

Exercises

Choose a software package.

Download a demo version.

Install it and put together a simple two-variable model.