parenthesis-free notation

NOUN
25 LETTERS · STARTS WITH P

parenthesis-free notation is a valid 25-letter word worth 31 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3A1R1E1N1T1H4E1S1I1S1-0F4R1E1E1N1O1T1A1T1I1O1N1
3 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =31 PTS
DOUBLE WORD → 62TRIPLE WORD → 93
MEANING

What does parenthesis-free notation mean?

NOUN · 1 SENSE
1

A notation for forming mathematical expressions that does not use parentheses to delimit components.