Overall GPA (AKA CUM for cumulative GPA): All classes; the overall GPA
Science GPA (AKA Sci GPA): Biology, Physics, Chemistry, Engineering, Math, CS, etc.
Other-Science GPA (AKA Other-Sci GPA): only Engineering, Math, CS, etc.
BCP: only Biology, Chemistry, and Physics
B: only biology
C: only chemistry
P: only physics
Non-science GPA: everything aside from the Science GPA