fx-82MS fx-82TL fx-9860GII TI-83
nPr
On a Casio calculator you can calculate permutations
nCr
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The description stands for 'n Permutation r'.
Example 1
To determine how many 4-digit values can be produced using the numbers 1 through 7. Numbers can not be duplicated within the same 4-digit value (1234 is allowed, but 1123 is not)
7 nCr 4 = 7P4
840.
