It signifies how properly the student is doing for the disciplines. As described, it is the equal from the GPA. It might be calculated by the next formulation: C R = ? k = one N C C i ? f ( N i ) ? k = one N C C i displaystyle CR=textstyle frac textstyle sum _ k=1 ^ NC C_ i cdot file(N_ i )displaystyle textstyle sum _ k=1 ^ NC C_ i displaystyle dis