Combinatorics

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You can learn about combinatorics here.

Combinations, permutations or variations of a set of numbers can be calculated. Be careful, though: results are very large.

Counting	Symbol
Variations or k-permutations of n
Permutations
Combinations
Variations with repetition or n-tuples of m-sets
Permutations with repetition
Combinations with repetition
Binomial coefficient
Factorial You can also write `!` with the keyboard.

You can see several examples here:

Suggeriment

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