It represents how properly the scholar is performing on the disciplines. As described, it is the equivalent of the GPA. It can be calculated by the subsequent system: C R = ∑ k = one N C C i ⋅ f ( N i ) ∑ k = 1 N C C i displaystyle CR=textstyle frac textstyle sum _ k=one ^ NC C_ i cdot file(N_ i )displaystyle textstyle sum _ k=1 ^ NC C_ i dis