- casting.cpp casting and coersion
 Mikhail Nesterenko
 9/4/2019
 - doghouse.cpp Computes the size of a dog house that can be purchased \
 given the user's budget. \
 uses pre-defined function sqrt()
 Walt Savitch
 2/8/99
 - equation.cpp Determines the roots of a quadratic equation - math function demo
 mikhail nesterenko
 10/1/99
 - random.cpp demonstrates usage of random function
 Mikhail Nesterenko
 9/16/2009
 - time.cpp demonstrates usage of time function
 Mikhail Nesterenko
 9/16/2009