Permutation and Combination Calculator
Calculate permutations nPr and combinations nCr. Understand the difference between ordered and unordered selections.
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Calculator insights
What this calculator does
Permutation and Combination Calculator helps you quickly estimate calculate permutations npr and combinations ncr. understand the difference between ordered and unordered selections. with clean output and clear next steps.
How the calculation works
Enter n (total items), r (items to choose) and this calculator uses standard formulas to determine Permutations nPr and Combinations nCr. The output is displayed immediately in a user-friendly format.
Example calculation
For example, enter realistic values into the Permutation and Combination Calculator to see how the calculator produces Permutations nPr and Combinations nCr that you can use for planning and comparison.
Disclaimer
The calculations provided by this website are for informational purposes only and should not be considered financial, legal, tax, or professional advice.
Frequently Asked Questions
Permutation vs Combination — what's the difference?
Permutation: order matters (arranging). Combination: order doesn't matter (selecting). P(10,3) = 720; C(10,3) = 120.