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Standard Calculator
A familiar, fast calculator for everyday arithmetic. Use the buttons or your keyboard.
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Quick everyday math
The Standard Calculator handles the arithmetic you need most often. Percentage divides the displayed value by 100, ± changes its sign, and backspace removes the last entered digit.
Keyboard shortcuts
Use number keys, decimal point, +, -, *, / and Enter. Press Escape to clear and Backspace to delete the last digit.
FAQ
Does it work on mobile?
Yes. The keypad is designed to resize for phones, tablets and desktop screens.
Does TutorCalc save my calculation?
The standard calculator runs locally in your browser and does not require an account.