theta function

14 LETTERS · STARTS WITH T

theta function is a valid 14-letter word worth 21 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1H4E1T1A1F4U1N1C3T1I1O1N1

1 + 4 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does theta function mean?