jot(1) - print sequential or random data {oss}

p5-Algorithm-Permute-0.03 - Perl interface to handy and fast permutation

nums - list-of-numbers generator {oss}

Telno - a telephone number permutation program {oss}

Combin.C - Compute combinations without overflow {oss}

Perm_Idx.C - Determine permutation index {oss}

Permute1.C - Permute strings {oss}

Permute2.C - Permute strings {oss}

Factoryl.C - Factorial, combinations, permutations {oss}

Fibo.C - Return any term in the Fibonacci series {oss}

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See also Random Numbers

Up to Math - Gateway topic to math and numeric processing routines.