ON both L1 and L2 for me, I think there were 2 calculations total. That's both exams combines.
Understand the concepts like maratikus said. The formulas can help you do that in some areas, but if you can just get a grasp of what it is you are doing you will be in better shape than you think.
Understand the concepts like maratikus said. The formulas can help you do that in some areas, but if you can just get a grasp of what it is you are doing you will be in better shape than you think.