Progressive Web App with powerful tools and utilities
Fast, reliable calculations with a retro IBM 10-key layout
Solve for payment, principal, term, or interest rate
Quick tip calculations with preset percentages and split amounts
Everything you need in a modern calculator app
Retro IBM 10-key layout with all operations: add, subtract, multiply, divide, power, and modulo.
Solve for any of 4 values: monthly payment, principal, loan term, or interest rate. Perfect for mortgages!
Quick tip calculations with preset percentages (10-30%) or custom amounts. Includes split costs for groups.
Install on your device and use like a native app. Works offline too!
Instant calculations with a clean, minimal interface. All processing happens on your device.
Inspired by CleanBlog. Fully responsive and works on desktop, tablet, and mobile.
Use your keyboard for quick calculations. All operators and shortcuts supported.
All calculations happen on your device. No data sent anywhere. Completely private.
Automatic version checking with one-click updates. Always get the latest features!