Roadmap to becoming a developer in 2022
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---
title: "Big-O Notation"
description: "Easy to understand explanation of Big-O notation without any fancy terms"
author:
name: "Kamran Ahmed"
url: "https://twitter.com/kamranahmedse"
imageUrl: "/authors/kamranahmedse.jpeg"
seo:
title: "Big-O Notation - roadmap.sh"
description: "Easy to understand explanation of Big-O notation without any fancy terms"
isNew: false
type: "visual"
date: 2021-03-15
sitemap:
priority: 0.7
changefreq: "weekly"
tags:
- "guide"
- "visual-guide"
- "guide-sitemap"
---
Big-O notation is the mathematical notation that helps analyse the algorithms to get an idea about how they might perform as the input grows. The image below explains Big-O in a simple way without using any fancy terminology.
[![Big-O Notation](/guides/big-o-notation.png)](/guides/big-o-notation.png)