Grade	definition	6 - 10 scale
A++			10   <  
A+	excellent       9.70 <= semester score < 10.00
A  			9.40 <= semester score <9.70
A-			9.00 <= semester score <9.40
B+	good		8.70 <= semester score <9.00
B  			8.40 <= semester score <8.70
B-			8.00 <= semester score <8.40
C+	average		7.50 <= semester score <8.00
C	average		7.00 <= semester score <7.50
D	passing		6.00 <= semester score <7.00
E	failure		< 6.00