<p>Definitely call them and explain what classes you took. It does not sound like an AP class. However, you can still pass the AP test without taking an AP class at all. Not sure I would recommend that, but discuss this with the admissions people also. </p>
<p>A good foundation in calculus is necessary for understanding rest of the calculus series and differential equations. The math is a critical part of any kind of STEM education as the math is a critical tool. Don’t skimp on this subject, you’ll pay for it later.</p>