Four everyday operations
No memory buttons, scientific modes, or small symbols you have to look up.
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Big Button Calculator
Add, subtract, multiply, and divide with large numbers and clear controls.
Ready
Keyboard: numbers, +, −, ×, ÷, Enter, Backspace, and Escape.
Click the calculator or press Tab to use keyboard shortcuts.
Simple on purpose
Large, clear controls
Every key has a generous touch area, strong contrast, and visible press feedback.
No saved history
Refresh or close the page and the current calculation is gone.