Abstract
Modeling and simulation of discrete dynamic systems includes several basic principles. Here the principles of event-driven graphs, queueing systems and Petri-nets were chosen. Three simple implemented models for study and experimental purposes were created. These models are implemented as a short source code in C-language, including the simulation engine without any black-box parts for simple overview of everything from abstract principle to the bottom code. Simulation models can be extended but these simple examples can already produce complex behavior.

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