Ocupation: Mathematician
Life: April 15, 1707 - September 18, 1783
Birthday: April 15
Death: September 18
A function of a variable quantity is an analytic expression composed in any way whatsoever of the variable quantity and numbers or constant quantities.
source: Leonhard Euler (2012). “Introduction to Analysis of the Infinite”, p.3, Springer Science & Business Media
topic: Expression, Numbers, Variables, Euler