Carnegie Mellon University (CMU), PA, US - QPA/GPA Calculation

This is a place to post questions and comments related to the Cumulative GPA Calculator (Carnegie Mellon University) - GradeCalc.info

What is QPA and how to calculate it?

Quality Point Averages (QPAs) are calculated according to the following formula:

Semester QPA: quality points divided by factorable units.
Cumulative QPA: total quality points divided by total factorable units.

Carnegie Mellon University defines a quality point as a point value times units for a given course.
Factorable units - courses with grades A,B,C,D,R,X.