Looking to sharpen your web development skills? In this tutorial, you’ll learn how to build a responsive calculator completely from scratch using HTML, CSS, and JavaScript.

It’s a perfect beginner-friendly project to understand how the DOM, CSS layout, and JavaScript logic work together to create an interactive web app!

🎯 What You’ll Learn

By following along with this step-by-step video tutorial, you’ll learn:

✅ How to design a clean, minimal calculator layout using HTML & CSS

✅ How to make it responsive for both desktop and mobile devices

✅ How to implement real-time calculation logic using JavaScript functions

✅ How to add hover effects, animations, and shadows for a smooth, modern UI

🧱 Project Overview

We’ll start by building a simple structure using HTML, then style it beautifully with CSS Flexbox and media queries to ensure responsiveness.

Next, we’ll dive into JavaScript to add all the core functionalities — addition, subtraction, multiplication, and division — along with clear and delete options.

By the end, you’ll have a fully functional, responsive calculator ready to use and customize!

📂 Project Files

You can download all the source code and assets here 👇

https://drive.google.com/drive/folders/1ZBSr67dbhIFezf0w5Q_uGGo7uxqfh39b

🌐 Live Preview

Want to see how it looks before building? Check out the live version here 👇

👉 https://developercalcy.netlify.app/

🎥 Watch the Full Tutorial 👇

Follow along step-by-step in the complete YouTube video:

https://youtu.be/kNRekUWPIZk?si=WdBBVgD-GIMtIfJu

🎬 YouTube Channel

Don’t forget to like, subscribe, and turn on notifications for more awesome web development tutorials!

👉 YouTube Channel: https://www.youtube.com/@Developers_Console

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Build a Responsive Calculator Using HTML, CSS & JavaScript