Perl modules

 

Permcomb.pm Generate permutations, combinations and subsets, returning them as a list Permcomb.pm
GenPermcomb.pm The same but the results are returned via a callback routine so large numbers of results can be handled GenPermcomb.pm
HWCoord.pm A class for programming board games HWCoord.pm
HashIO.pm HashIO can save the contents of almost any hash in a text file. The file can be read again to restore the hash.
The fileformat is straight forward so files can be made by hand (configuration files etc.)
HashIO.pm
KalDatum.pm A simple class for computations with calendar dates in the range 1/3/1900 - 28/2/2100. KalDatum.pm
PrimeTable.pm For puzzles with prime numbers PrimeTable.pm
RGBHSV.pm Conversion of color values in RGB-format to and from HSV-format RGBHSV.pm
SearchFile.pm Search a file in a number of directories (cf. PATH). SearchFile.pm

All modules contain POD documentation in English (or a language which resembles English).