Calculus Made Easy: Being a very-simplest introduction to those beautiful methods which are generally called by the terrifying names of the Differential Calculus and the Integral Calculus
"Calculus Made Easy" by Silvanus P. Thompson is a book on infinitesimal calculus originally published in 1910. Rather than relying on the traditional epsilon-delta definition of limits, Thompson takes a revolutionary approach by using direct approximation methods in the spirit of Leibniz. The…