Which Greek invention is considered one of the first analog computers?

The Antikythera mechanism

The Antikythera mechanism, discovered in a shipwreck near the Greek island of the same name in the early 20th century, is an artifact that astounded the scientific world. Considered the earliest known analog computer, this sophisticated invention was used to predict astronomical positions and eclipses for calendrical purposes. Its complexity and precision, dating from around 100 BC, demonstrate the advanced level of knowledge and technological skills of the ancient Greeks, underscoring their invaluable contribution to the history of science and technology.