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Probability Calculator

v1.1.1

Calculate basic probability, permutations, combinations, and binomial distribution.

Calculates basic probability (P(A), complement, union, intersection), permutations (P(n,r)), combinations (C(n,r)), and binomial distribution probabilities with the formula shown.

How to use
  • Select the calculation type: basic probability, combinatorics, or binomial distribution.
  • Enter the required values and see the result with the formula used.
  • Use the combination/permutation mode to solve "choose k from n" problems quickly.