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Math Calculators
Binomial Coefficient Calculator
Calculate the binomial coefficient nCr, the number of ways to choose r items from a set of n.
nCr
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About the Binomial Coefficient Calculator
The binomial coefficient nCr counts the number of ways to choose r items from a set of n items, where the order of selection doesn't matter.
Formula: nCr = n! ÷ (r! × (n − r)!)
Binomial coefficients appear in combinatorics, probability, and the expansion of binomials via the binomial theorem.
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