The remainder will require a little deeper mastery of the material. You need a scientific calculator for your class, home work and tests and exams. In addition to your instructor's office hours, the Math Department has an extensive of walk-in help sessions scheduled in Rosevelt Hall. Remember that most of the exam problems will be like the assigned ones. Make sure you can do them You will have a good head start at exam time.
Help is available.
Get advice from your instructor. First of all, there isn't time cover every detail in class. There are a few little things you either never quite learnt or learnt incorrectly. Make conscious effort to find out what they are and fix them. Many students don't bother with things like equal signs and parentheses.