Permutations & Combinations (nPr / nCr)
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Enter Set Size (n) and Subset Selection (r)
Combinations (nCr) — Order Does NOT MatterC(8, 3)
56
Formula: n! / (r! × (n-r)!)
With Repetition Allowed:120
Permutations (nPr) — Order DOES MatterP(8, 3)
336
Formula: n! / (n-r)!
With Repetition (nʳ):512
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