Calculator

A simple calculator extension. More features coming soon!

This extension provides users with a convenient, feature-rich calculator directly within their browser. Key aspects include: User Interface: Clean, modern design with a responsive layout Large, easy-to-read display for calculations Grid-based button layout for intuitive input Theme toggle allowing users to switch between light and dark modes Functionality: Supports basic arithmetic operations: addition, subtraction, multiplication, and division Includes a clear button to reset calculations Handles decimal numbers for precise calculations Implements order of operations for complex expressions Rounds results to avoid floating-point precision issues Error Handling: Gracefully manages division by zero and invalid expressions Clears the display on errors to prevent confusion Theming: Offers light and dark themes for user preference and reduced eye strain Persists theme choice using local storage for a consistent experience Technical Implementation: Built using HTML, CSS, and JavaScript Follows Chrome extension architecture (manifest v3) Utilizes event delegation for efficient button handling Implements a custom expression evaluation algorithm for security User Experience: Instant calculations without page reloads Smooth animations on button presses Responsive design adapts to the popup window size Accessibility: High contrast color schemes in both themes Large, readable font sizes Clear visual feedback on button interactions Security: Avoids using eval() for calculations, enhancing security Implements input sanitization to prevent injection attacks Performance: Lightweight implementation for quick loading and execution Efficient DOM manipulation for smooth operation This calculator extension combines functionality with a polished user interface, making it a practical tool for quick calculations without leaving the browser environment.