Calculator App
Overview
A high-performance calculator built with React.js that provides a desktop-like experience on the web. It features a robust engine for complex arithmetic, keyboard input support, and a history tracking system that persists across sessions.
Key Highlights
- Full Keyboard Support (Enter, Backspace, Operators)
- Persistent History with Date & Time stamps
- Clear (C) and Step Clear (CE) functionality
- Dynamic Error Handling for mathematical edge cases
- Modern Clean Interface with optimized layout
Tech Stack
React.jsJavaScript (ES6+)CSS3 (Responsive Design)Client-side ProcessingManual UI/UX TestingComponent Testing
User Capabilities
- Perform Basic & Complex arithmetic
- Use Keyboard Shortcuts for faster input
- View and Manage Calculation History
- Clear specific or all history items
- Persist data even after browser refresh