> Math is the manipulation of abstract symbols according to abstract rules. That's the definition of a calculus, not the entirety of math. http://en.wikipedia

> Math is the manipulation of abstract symbols according to abstract rules. That's the definition of a calculus, not the entirety of math. http://en.wikipedia.org/wiki/Calculus http://en.wikipedia.org/wiki/Calculus : >More generally, calculus (plural calculi) refers to any method or system of calculation guided by the symbolic manipulation of expressions. Some examples of other well-known calculi are propositional calculus, variational calculus, lambda calculus, pi calculus, and join calculus.