Here's the list of column headings for WebCT grades:
PS1: Problem Set 1 PS2: Problem Set 2 M1: Midterm 1 M1EC: Midterm 1, Extra Credit PS3: Problem Set 3 PS3EC: Problem Set 3, Extra Credit PS4: Problem Set 4 TT-EC: In-Lecture Tongue-Twisters Extra Credit PS5: Problem Set 5 PS5EC: Problem Set 5, Extra Credit OPS: Optional Problem Set M2: Midterm 2 MT2EC: Midterm 2, Extra Credit Paper: Final Paper EXPT: Experiment Requirement (Should be 2!!) +EC+: Experiment extra credit (max 2) F_Grade: Final Grade
Here's a distribution as final grades were assigned: