Sorry, from May 21,2000 the free trial version is no longer availeable. This is the complete package with some model size limitations. First of all, observe that the price of simulation software has nothing to do with its quality and real value. After all, selling simulation software is not a good business like games or opertating systems.
Simulation is art and fun.
Consult the new order form to see the pricing. Efficient scheduling and event queue management. Inheritance mechanism , that permits to add new properties to old processes without intervening the source code of processes declared earlier. State events . Discrete and continuous objects can run concurrently.