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Probability Calculator

Runs on your deviceCalculatorFree to use
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Exact combinations, permutations, binomial probabilities, two dice, sampling without replacement, independent events and Bayes’ theorem.

Workspace
Preparing your workspace…
Files and inputs stay on your device. Use Reset to clear this workspace.

Useful to know

Can this solve every question?

No. Supported operations and input limits are stated in the workspace. Undefined, ambiguous and unsupported questions receive a limitation instead of an invented answer.

Are my questions saved?

Calculations run in this browser tab. The tool does not save question history or send questions to a calculation server.

Where are my files and inputs processed?

This tool processes your entries on your device. It does not upload them or save them in an account. Downloads remain on your device; Reset clears the current tool workspace.

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