#calculus

Calculus" used to be a more general word meaning "A system or method of calculation, ‘a certain way of performing mathematical investigations and resolutions

differential calculus, integral calculus

Isaac Newton and Gottfried Leibniz.

"the calculus of infinitesimals

The word "calculus" comes from Latin (calculus) and refers to a small stone used for counting

17th century

general physics

"the science of fluxions".

computations involving velocity and acceleration, the slope of a curve, and optimization