Original: PLM utilizes a semester-based modular system for conducting courses, adopts features of the American system (credits), and employs the General Weighted Average (GWA) system and a 1.00 to 5.00 grading scale.
Simplified: PLM utilizes a semester-based modular system for conducting courses, adopts features of the American system (credits), and employs the General Weighted Average (GWA) system and a 1.00 to 5.00 grading scale, with 1.00 being the highest possible grade for a particular undergraduate course.