# Numerical Computation

## Numerical Operations

A numerical operation can be described as an action or process used to solved a numerical problem. Adding and Subtracting Signed Numbers  If you have two numbers x and y, the following rules apply when these numbers are being added or subtracted. Rule of Signs for Addition:   (x – y)…

## Order of Operations

To ensure that arithmetic calculations are performed consistently, we must follow the order of operations. If an arithmetic expression contains brackets, exponents, multiplication, division, addition, and subtraction, we use the following procedure: Perform all operations inside a bracket first (the operations inside the bracket must be performed in proper order).…

## Number Types and Symbols

In mathematics, you will have trouble understanding the material unless you clearly understand the language of the words that are being used. Here are some commonly used words and phrases that you need to know, and that will be repeated throughout the duration of this course. Integers The values: ……