What's the math/science sequence up to astrophysics?

<p>Thanks, lol I just saw the part I. </p>

<p>So Calculus is divided into three parts… </p>

<p>Calculus I: Is this equivalent to AP Calculus AB/BC? (singular-variable calculus)?
Calculus II: Multivariable Calculus?
Calculus III: ?? What is this one called?</p>