The text describes how the Antikythera Mechanism simulates the movements of the system Moon-Earth-Sun (i.e. the elliptical orbit of the Moon around the Earth)
Dr. Marianna Efstathiou, member of the academic team of the Aristotle University of Thessaloniki, which investigates the Antikythera Mechanism, describes the modus operandi of the Mechanism.
The construction and operation of a geared analogue computer is presented. The Antikythera Mechanism is the first analogue geared computer in human history.