decimal notation

NOUN
16 LETTERS · STARTS WITH D

decimal notation is a valid 16-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2E1C3I1M3A1L1N1O1T1A1T1I1O1N1
2 + 1 + 3 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does decimal notation mean?

NOUN · 1 SENSE
1

Any notation that uses 10 different characters (usually the digits 0 to 9).