PermutationsSyntaxnPr(Expression1, Expression2)nPr(List1, List2)nPr(Matrix1, Matrix2)ExamplesPermutationsPermutations can be calculated using factorials or directly with the nPr command. You can find the command in the menu under 5: Probability > 2: Permutations. CAS commands can also be used in these calculations.nPr, expand