A clean, functional calculator web application with a modern UI. Supports all standard arithmetic operations with a smooth, responsive interface that works on both desktop and mobile devices.
Implementing correct operator precedence and handling edge cases like dividing by zero, chained operations, and decimal precision — all with vanilla JavaScript without relying on eval().
Built a custom expression parser to handle operator precedence correctly. Designed a satisfying button interaction with CSS animations. The calculator handles all edge cases gracefully with clear feedback to the user.