Arithmetic Operators

Learn how to perform mathematical calculations in JavaScript using arithmetic operators.

What are Arithmetic Operators?

Arithmetic operators are symbols used to perform mathematical calculations with numeric values.

JavaScript provides arithmetic operators for addition, subtraction, multiplication, division, remainder, and exponentiation.

Arithmetic Operators

How Arithmetic Operators Work

Example 1: Basic Arithmetic Operations

We can use arithmetic operators directly with numeric values or store the values inside variables.

const firstNumber = 20;
const secondNumber = 5;

const addition = firstNumber + secondNumber;
const subtraction = firstNumber - secondNumber;
const multiplication = firstNumber * secondNumber;
const division = firstNumber / secondNumber;

console.log("Addition:", addition);
console.log("Subtraction:", subtraction);
console.log("Multiplication:", multiplication);
console.log("Division:", division);

Output

Example 2: Remainder and Exponentiation

The remainder operator (%) returns the value left after division. The exponentiation operator (**) is used to calculate powers.

const students = 27;
const groups = 5;

const studentsPerGroup = Math.floor(students / groups);
const remainingStudents = students % groups;
const powerResult = 2 ** 3;

console.log("Students Per Group:", studentsPerGroup);
console.log("Remaining Students:", remainingStudents);
console.log("2 Power 3:", powerResult);

Output

Important Note