Computational science is an interdisciplinary field in which mathematical models combined with scientific computing methods are used to study systems of real-world problems. One of such mathematical models is automata theory. This paper introduces a learning system for automata theory. The learning system is a combination of java and robots technologies. Learners can build their own automaton graphically in the systems' interface, and then pass it to the robot, which can then simulate the

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... ton transitions. Learners can learn by observing the robot's motion. A preliminary evaluation shows the effectiveness of the system in classroom.