Possible Clues:

• Lab gear is reassembled for this school subject
• Math course with variables
• Subject's gradable problem? D minus
• All agree bursar regularly ignored means of calculating
• “In real life, I assure you, there is no such thing as ____” (Fran Lebowitz)
• Something with many variables to consider
• Something with an 'x' factor?
• Beer supporter necks gallon in maths class
• Lab gear prepared for school subject
• Unknown subject?