Understanding mathematics notation is,
well, essential to understanding mathematics. The material
here discusses what we ** mean** by the concept of an

We will center on the concepts of ** operators**
and

** Precedence** is covered here, and usually
students learn that quite early in their study of mathematics. Often,
though, a person is not exposed to the following way of
interpreting a math expression in terms of its operators and
operands.

It is probably best that you start with the first link below and work your way down through the list.

Other Representations Besides Numbers for Values

Introduction to Operators and Operands

More about Operators and Operands

And Now Including Variables and Functions