quod erat demonstrandum

23 LETTERS · STARTS WITH Q

quod erat demonstrandum is a valid 23-letter word worth 37 points in Scrabble and 43 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

Q10U1O1D2E1R1A1T1D2E1M3O1N1S1T1R1A1N1D2U1M3

10 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 3 =37 PTS

DOUBLE WORD → 74TRIPLE WORD → 111

MEANING

What does quod erat demonstrandum mean?