02 - 5.1 - Random number generation as leadup to 5.2
02 - 5.2 - Looping dart throws and checking if it's inside an inscribed quarter circle with r=1
02 - 5.3 - Pi calculation function. Kinda neat, works pretty well. Tricky with how C++ handles numbers -- if any of them are integers, the entire thing gets cast to an integer.