Too bad we forgot about analog computers for 20 centuries. I guess you mean something like this [1], just saw it up close. [1] https://en.wikipedia.org/wiki/An

Too bad we forgot about analog computers for 20 centuries. I guess you mean something like this [1], just saw it up close. [1] https://en.wikipedia.org/wiki/Antikythera_mechanism https://en.wikipedia.org/wiki/Antikythera_mechanism