| FunWithNumbers-package | Fun with Fractions and Number Sequences |
| aliquot | Generate the Aliquot Sequence. |
| benprob | Generate random numbers based on the Benford distribution |
| bestFrac | Generate a fraction close to the input value. |
| bpp | Function which calculates pi, or other irrationals, using the BaileyBorweinPlouffe formula ~~ |
| charE | High-precision values for some common constants, in character strings. |
| charPhi | High-precision values for some common constants, in character strings. |
| charPi | High-precision values for some common constants, in character strings. |
| charRoot2 | High-precision values for some common constants, in character strings. |
| collatz | Test the Collatz Conjecture. ~~ |
| dontWorry | Test for Happy Numbers ~~ |
| factorion | Find Factorion Numbers. ~~ |
| FunWithNumbers | Fun with Fractions and Number Sequences |
| harshad | Find Harshad Numbers ~~ |
| juggatz | Function which calculates the "Juggler" sequence ~~ |
| kaprekar | Calculate the Kaprekar Sequence. ~~ |
| morris | Generate the Morris sequence |
| pdi | Calculate Perfect Digital Invariant ~~ |
| sptable | Calculate the number of unique values in the cross-table of sums and products for the input set of numbers |
| vaneck | Generate a sequence 'invented' by Jan Ritsema Van Eck |