It signifies how well the coed is executing within the disciplines. As mentioned, it is the equivalent from the GPA. It can be calculated by the following formulation: 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 file(N_ i )displaystyle textstyle sum _ k=one ^ NC C_ i displa