application: operations research, articificial intelligence fuzzy cognitive models geological processes robot navigation and mapping (i.e., modelling sensors) search engines simulation (informatino retraction) internet traffic air traffic control Bayesian models & Markov Chain Monte Carlo simulation Software Process Modelling Dead reckoning Automatic generation of random maps (cities) for games robotic control systems (such as assembly lines) biological applications terrain effects on wireless communication weather forecasting effects of drag on a body in a fluid working procedure of a group of elevators GUI-related