Grade scale, Spring 2009
Letter grade		100 pt scale				20 pt scale
A		94 up				18.8 +
A-		93				18.6
B+	88-92					17.6-18.4
B			84-87			16.8-17.4
B-			83			16.6
C+	78-82					15.6-16.4
C				74-77		14.6-15.4
C-				73		14.6
D+	68-72					13.6-14.4
D					64-67	12.8-13.4
D-					63	12.6
E	62 and lower					12.4