Build a Scientific Calculator with HTML, CSS & JavaScript | Step-by-Step Beginner Tutorial

Published: 08 April 2025
on channel: Code And Course

5,691

Learn how to build a powerful scientific calculator using just HTML, CSS, and JavaScript!
In this beginner-friendly tutorial, we’ll walk step-by-step through building a fully functional calculator with features like:
Arithmetic operations (+, -, *, /)
Trigonometric functions (sin, cos, tan)
Square root, cube root, factorial
Exponentiation and brackets
Input history with click-to-reuse and delete

We’ll build the UI and add styles using CSS, then add logic using vanilla JavaScript.

Whether you're new to coding or want to practice DOM manipulation and event handling, this project is a great way to boost your frontend skills.

Source code: https://github.com/nawarajshah/html-c...

Twitter: / codeandcoins
GitHub: https://github.com/nawarajshah
Facebook: / codeandcoins
WebSite: http://www.codeandcourse.com

Don’t forget to like, subscribe, and comment if this tutorial helped you!

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