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PermutationsAndCombinationsOfUpTo13ThingsCategories: GEN rds-hosted Mathematics Permutations and Combinations of up to 13 things 2K Author: Ralph Gillott Date: Nov 6 2003 http://www.rapideuphoria.com/permcomb.zip 1. permutation number q of s: perm_qs(3,"abcd")= "acbd" 2. selection q of r things from s: select_qrs(19,3,"abcde") = "bde" 3. permutation q of r things from s: perm_qrs(15,3,"abcd") = "cad" |