Atheist "church" in London.

[Confused Ape]

You're not hearing me Ape. The astrology theory at the time regarding planetary motions was Ptolemaic epicycles. That's easy to reproduce using gears since it simplifies very nicely. They're not claiming that the device didn't reproduce the epicycles. They're pointing out the flaw in the astrology of the time that thus resulted in any device like this actually being flawed in its representation of celestial motion for bodies in our solar system.

I am hearing you but I'm listening to what everyone else is saying.

Have you found an article written by scientists which proves that the device wasn't used to make calculations?

Computer History Pre-1945

An example of an abacus, a digital computer driven by fingers instead of electricity which has been used for over 2,000 years.

The Antikythera Mechanism - A Roman-Era Analog Computer (2,000 years ago)

If you scroll down the page to the diagram of the dials you'll see that some of them relate to eclipse prediction.