Calculators
Basic Calculator
A simple, fast calculator with a large display for everyday arithmetic — add, subtract, multiply, divide and percentages.
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How to use
Tap the on-screen keys or use your keyboard. Numbers, +, -, * and / all work, Enter or = gives the result, Backspace deletes and Escape clears everything.
Everyday math, instantly
Use the % key for quick percentages and the +/− key to flip the sign of a number. Everything runs in your browser, so it works offline and nothing is ever sent to a server.
Frequently Asked Questions
Yes. You can type numbers and operators directly, press Enter or = to calculate, Backspace to delete and Escape to clear.