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Responsive Calculator project built with HTML, CSS, and JavaScript.

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🧮 Responsive Calculator (HTML, CSS, JavaScript)

This is a simple yet fully responsive calculator web app built using HTML, CSS, and JavaScript. It performs basic arithmetic operations like addition, subtraction, multiplication, division, percentage, and supports decimal numbers.

💡 Features

  • Responsive design (mobile & desktop friendly)
  • Dark modern UI
  • Basic operations: +, −, ×, ÷, %, clear, backspace
  • Interactive UI using JavaScript
  • Error handling for invalid expressions
  • Supports keyboard input (optional)

🚀 Technologies Used

  • HTML5 for structure
  • CSS3 (Flexbox & Media Queries) for styling and responsiveness
  • JavaScript (vanilla) for functionality

📱 Responsive Preview

The calculator automatically adjusts its layout based on the screen size — no need to zoom or scroll on mobile.

🛠️ How to Use

  1. Clone the repository or download the .zip file.
  2. Open index.html in your browser.
  3. Start calculating!

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Responsive Calculator project built with HTML, CSS, and JavaScript.

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