In 1665 Isaac Newton, an English mathematician, introduced the concept of a fluxion. Fluxion was the early term for what we now call a derivative, which is just the instantaneous rate of change of a function with respect to a variable. While Newton was...

Fluxion may refer to: Method of Fluxions, Isaac Newton's terminology for differential calculus An alternate spelling of fluxon, a quantum of magnetic flux, such as in a...