Adding basic Calculator

[SowmyaKurapati26]

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🧮 Basic Calculator

Issue: #151
A modern and responsive Basic Calculator built using HTML, CSS, and JavaScript.
This project demonstrates handling user input, performing calculations, and creating a clean user interface with error handling.

🔗 Live Demo: Basic Calculator

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🚀 Features

• Perform basic arithmetic operations: Addition, Subtraction, Multiplication, and Division

• Supports decimals

• Error handling for invalid inputs (like multiple operators, division by zero, etc.)

• Result formatting:

  • Shows up to 4 decimal places for long results
  • Uses scientific notation for very large numbers

• Responsive glassmorphism design

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🛠️ Technologies Used

• HTML5 – Structure of the calculator
• CSS3 – Styling (modern glassmorphism UI)
• JavaScript (ES6) – Calculator logic & error handling

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📂 Project Structure

BasicCalculator/
│── index.html      # Main HTML file  
│── style.css       # Styling file  
│── script.js       # Calculator logic  
│── README.md       # Project documentation  

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