Combinatorics Nodes

CombinatoricsNodes wrap combinatorics implementations of Adrian Akison, taken from his CodeProject article

http://www.codeproject.com/Articles/26050/Permutations-Combinations-and-Variations-using-C-G

Contains:
Combinations (Color Combinatorics)
Combinations (Spreads Combinatorics)
Combinations (String Combinatorics)

Permutations (Spreads Combinatorics)
Permutations (String Combinatorics)

Variations (Color Combinatorics)
Variations (Spreads Combinatorics)
Variations (String Combinatorics)