Build a Calculator Using HTML, CSS, and JavaScript – Step-by-Step Guide

basic calculator

In the world of web development, creating interactive tools is a great way to enhance your skills and provide practical solutions for everyday tasks. One such tool is a basic calculator, a fundamental application that demonstrates the core principles of HTML, CSS, and JavaScript. This project will guide you through the process of building a straightforward calculator with a user-friendly interface. By following this tutorial, you’ll learn how to combine these three technologies to create a functional and visually appealing calculator that can handle basic arithmetic operations.

The objective of the basic calculator

  • Build a Basic Calculator: Create a functional calculator interface using HTML, CSS, and JavaScript.
  • Design a User-Friendly Layout: Implement a clean and intuitive design for the calculator using CSS.
  • Implement Basic Operations: Include functionality for addition, subtraction, multiplication, and division.
  • Add Advanced Features: Integrate additional features such as percentage calculations and error handling.
  • Enhance JavaScript Skills: Utilize JavaScript to manage button interactions and perform calculations.
  • Apply CSS Styling: Use CSS to ensure a visually appealing and responsive calculator layout.
  • Understand HTML Structure: Reinforce knowledge of HTML by structuring the calculator’s layout and elements.

Project Functionality of the basic calculator

  • Technology: HTML5, CSS3, & Javascript
  • External Resources: Google Fonts
  • Responsive: Yes

Source Code & Live Demo

To use this project source code effectively:

  • Source Code: You can obtain the complete source code by copying the code provided below.
  • Download: You can download the source code by clicking the Source Code button below to get a ZIP file of the project. Extract the contents to your desired directory.
  • Open the Project: Open the project folder using a text editor or an integrated development environment (IDE) like Visual Studio Code.
  • Modify and Experiment: Customize the content, styles, and functionalities to suit your preferences. Experiment with different design elements to enhance your learning.

Code & Preview

You can download the source code files for free by clicking the Source Code button. Additionally, you can edit and view a live demo by clicking the Code & Preview button below.

Scroll to Top