A modern, responsive calculator web application built with HTML, CSS, and JavaScript. This calculator features a clean user interface with a gradient background and smooth animations.
Simple Calculator - Try out the calculator here!
- Basic arithmetic operations (addition, subtraction, multiplication, division)
- Decimal point functionality
- Clear/Reset capability (AC/CE)
- Responsive design that works on all device sizes
- Animated title with hover effects
- Modern gradient background
- Visual feedback for operator keys
- Chain calculation support
- HTML5
- CSS3 (Grid Layout, Flexbox, Animations)
- Vanilla JavaScript
- Modern CSS Reset
calculator/
├── index.html
├── styles.css
└── script.js
- Clean, modern interface with a gradient background
- Calculator display with large, clear numbers
- Responsive grid-based button layout
- Visual feedback on button presses
- Animated title that scales on hover
- Modular code structure with separate functions for:
- Calculation logic
- Key type detection
- Result string creation
- Calculator state management
- Visual state updates
- Event delegation for efficient button handling
- Comprehensive error handling
- Support for chained calculations
- Modern CSS reset for consistent cross-browser rendering
- CSS Grid for calculator button layout
- Flexbox for centering and alignment
- Custom animations and transitions
- Responsive design principles
- Carefully chosen color scheme
- Clone the repository
- Open
index.htmlin your web browser - Use the calculator either by:
- Clicking the buttons with your mouse
- Using your keyboard (if implemented)
- Add keyboard support
- Include scientific calculator functions
- Add calculation history
- Implement memory functions (M+, M-, MR, MC)
- Add theme switcher
- Include unit tests
The calculator works in all modern browsers that support CSS Grid and modern JavaScript features:
- Chrome (latest)
- Firefox (latest)
- Safari (latest)
- Edge (latest)