The Calculus CLEP Test covers the material that is taught in a one-semester class at the 101 college level. This test covers limits, differential calculus and integral calculus. You will need to know algebraic, trigonometric, exponential, logarithmic, and general functions. Before you take Calculus CLEP test you should have a good understanding of calculus and applying it. This CLEP test assumes that you already know the basics of math, geometry, trigonometry and algebra. In our opinion, this is the hardest of all the math CLEP exams that you can take. Unless you are very experienced in mathematics, we recommend that you take the easier math exams. The order of difficulty is as follows, from easiest to hardest: college mathematics, college algebra, precalculus, calculus.