It signifies how well the coed is undertaking within the disciplines. As outlined, it is the equivalent from the GPA. It may be calculated by the next method: C R = ∑ k = 1 N C C i ⋅ f ( N i ) ∑ k = one N C C i displaystyle CR=textstyle frac textstyle sum _ k=one ^ NC C_ i cdot f(N_ i )displaystyle textstyle sum _ k=1 ^ NC C_ i displaystyle d