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We read every message.

Found a bug, got a wrong result, or wish we had a calculator for something? Tell us.

Helpful to include

• Which calculator you used and what you typed in.
• What result you got and what you expected.
• Your device and browser, if something does not display correctly.

Calculator requests

We are adding new calculators regularly. If there is one you would use, let us know and we will consider it.

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