Vanilla JavaScript Basic Calculator

This project is a simple calculator built with vanilla JavaScript, HTML, and CSS. It performs basic arithmetic operations: addition, subtraction, multiplication, and division.

Features

• Addition, subtraction, multiplication, division
• Responsive and clean UI
• Keyboard and button input support

Usage

1. Open index.html in your browser.
2. Use the buttons or your keyboard to enter numbers and operations.
3. Click = or press Enter to see the result.
4. Use C or Clear to reset the calculator.

Files

• index.html — Main HTML file
• style.css — Calculator styles
• script.js — Calculator logic

How It Works

• User input is displayed on the screen.
• JavaScript handles all calculations and updates the display.
• No external libraries or frameworks used.

Demo

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Feel free to modify and enhance the calculator!