Gives an overview of all modelling types and network calculations that are in use today. The CD included with the book shows 12 different models/network calculations to illustrate the various types and also three softwares that make it possible to develop your own models. With the book in hand, the user has an excellent tool to understand what the various model types/network calculations can do and when to use which type as a tool to solve a specific problem. The CD with diagrams makes the tool unique and particularly illustrative.