Calculate nPr and nCr easily
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Permutation (nPr): 0
Combination (nCr): 0
This calculator helps you find permutations and combinations easily.
Permutation formula: nPr = n! / (n - r)! Combination formula: nCr = n! / (r! × (n - r)!)
For example, if n=5 and r=2 → nPr = 20 and nCr = 10.
Used in probability, statistics, and exams.
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