Arithmetic Operations

Arithmetic operations

Let’s start with the arithmetic operations since they are relatively simplest. Programming languages use regular symbols to denote them:

• + addition
• - subtraction
• / division
• * multiplication

There are two more operations that are often used in programming. These are exponentiation and division with remainder.

Let’s suppose that we want to raise the number a to the power of b. We can write it as a​b​​. Here, a is the base and b is the exponent. If we want to raise two to the power of seven, we write 2​7​​. The same operation in Bash looks like this: