combinatorial mathematics

25 LETTERS · STARTS WITH C

combinatorial mathematics is a valid 25-letter word worth 39 points in Scrabble and 46 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1M3B3I1N1A1T1O1R1I1A1L1M3A1T1H4E1M3A1T1I1C3S1

3 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 4 + 1 + 3 + 1 + 1 + 1 + 3 + 1 =39 PTS

DOUBLE WORD → 78TRIPLE WORD → 117

MEANING

What does combinatorial mathematics mean?