Modeling with Delphi
Modeling is an effective approach for obtaining results when an exact formula does not exist.
OpenSIMPLY is free software for modeling in Delphi.
OpenSIMPLY uses
discrete-event approach for modeling.
OpenSIMPLY is an open source simulation modeling software.
Creating your own models in Delphi is very easy, you may only need
a few lines!
If you prefer Free Pascal,
read here, OpenSIMPLY supports Free Pascal and Lazarus as well.