math device: crossword clues

Matching Answer
Confidence
PROTRACTOR
95%
LCD
60%
ALG
60%
QED
60%
GEOM
60%
GRAPH
60%
TRIG
44%
CALC
20%
EAR
20%
ADD
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)