How do calculators and computers do integral and differential calculus?

Question

Digital arithmetic seems straightforward, but how do calculators do calculus? How do calculators find the area between two curves, or calculate the instantaneous rate of change of a function?

Thanks for responding

In: Technology

Answer 1

If you are really interested you should watch one of the videos on the integrators used by destroyers in the WWII era. These were mechanical machines that did calculus.