George Carlin. (2023, December 1). Wikiquote. Retrieved January 28, 2024 from https://en.wikiquote.org/w/index.php?title=George_Carlin&oldid=3410143.
[Calculus] has two major branches, differential calculus and integral calculus; the former concerns instantaneous rates of change, and the slopes of curves, while the latter concerns accumulation of quantities, and areas under or between curves.