A beginner-friendly calculator built using HTML, CSS, and JavaScript. This lightweight web application allows users to perform basic arithmetic operations such as addition, subtraction, multiplication, and division.

• Perform basic math operations: +, -, *, /
• Error handling for:
  • Invalid numbers
  • Invalid operators
  • Division by zero
• Simple and responsive UI
• Styled using custom CSS

• HTML5
• CSS3
• JavaScript (Vanilla)

1. Enter the first number in the First Number field.
2. Input the operation you want to perform (+, -, *, /) in the Operation field.
3. Enter the second number in the Second Number field.
4. Click the = button to calculate.
5. The result or any relevant error will be shown below the inputs.

Deployed with GitHub Pages:

👉 Live Demo

Created by Mustafa

Feel free to reach out via WhatsApp for feedback, suggestions, or collaboration!