Combination calculator
Calcolo combinazioni: formula C(n,k) = n! ÷ (k! × (n−k)!), dati personalizzati e risultato copiabile. Gratis, senza registrazione.
Count selections without order or repetition. Integers with 0 ≤ k ≤ n ≤ 1000. n=10 and k=3 gives 120; k=0 gives 1. Exact integer result.
Result
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Formula and instructions
C(n,k) = n! ÷ (k! × (n−k)!)
Count selections without order or repetition. Integers with 0 ≤ k ≤ n ≤ 1000. n=10 and k=3 gives 120; k=0 gives 1. Exact integer result.
Frequently asked questions
Which formula does this tool use?
C(n,k) = n! ÷ (k! × (n−k)!) Count selections without order or repetition. Integers with 0 ≤ k ≤ n ≤ 1000. n=10 and k=3 gives 120; k=0 gives 1. Exact integer result.