<p>No material balances either. :)</p>
<p>I don’t know if it’s worth retaking Precalc or not. As far as I remember, that class focuses on the forms of functions and how they behave under certain limits and modifications. You could probably just look back through your book and see how much of the stuff you remember. I’d definitely recommend retaking Calc I if you’re not feeling too secure in your knowledge of the material since it will come up in just about every class you take. Calc II is also important, though somewhat less so. Integrating by parts I had to do occasionally, and trig substitution I haven’t done since my AP class.</p>
<p>I will make a disclaimer that I had to do about two weeks worth of fluids stuff in my transport class. I learned about Navier-Stokes and that sort of stuff, but I didn’t have to get into the really grungy stuff ChemEs did.)</p>