Developing multiagent systems theory and application in recent years has led to a veritable revolution in modeling complex systems. Commonly used modeling style is the one based on equations. With the help of this type of modeling, the researchers have made many calculations in order to determine equations of projectiles, and missiles motions in the air, some corrections that apply at the time of the adverse conditions to achieve the final goal of hittng the targetThe domain of the agents and the multiagent systems is a new one and dynamic and has associated a technology on maturization. It is clear that this technology will be predominant in the informational applications of the future, in the digital common environment, in the future corporations and in the creation of the intelligent services.
Agents are and will be used in a great variety of applications, from the small dimension systems, as personalised e-mail filters or agents for shoppings to great systems, complex, as organisations and virtual economical systems.The agent concept has became since the XX th century, a central element in a few scientifical disciplines which have e a high development rank. The artificial intelligence, cybernetics, computer science, computational economy frequently use the concept of agent and the abducted methods from this.
In this moment there exists a rich literature from this domain, which contains a lot of definitions, but from the gained knowledges I will try to describe this concept as simple. In dictionaries, the agent is defined as "someone who, or whereby power is exerted or creates an effect", but this definition is too basic