There you are in your introductory physics course. The course requirements say that you have to be in Calculus 101 (it's probably not called that) in order to enroll in Physics 101. Why? There are two ...

Imagine learning to use implicit differentiation to find the derivative of an inverse function. Then imagine doing it at 4 a.m. That's how it is for high school students like Dimitris Demetriou, a ...