_____   __  __       _   _       _      _ _     
  / ____| |  \/  |     | | | |     | |    (_) |    
 | |      | \  / | __ _| |_| |__   | |     _| |__  
 | |      | |\/| |/ _` | __| '_ \  | |    | | '_ \ 
 | |____  | |  | | (_| | |_| | | | | |____| | |_) |
  \_____| |_|  |_|\__,_|\__|_| |_| |______|_|_.__/ 
Fun challenge/project to implement various math functions (sqrt, pow, sin, cos, etc.) using basic math and a little calculus. Work in progress.