Think you can solve some of the toughest math equations? Hard Math gives some of the most challenging math problems. Though you don't have to be a genius to solve these, they are quite difficult and are the most likely for people to get wrong on a test. Hard Math is an excellent way to practice or improve your skills. It also provides a form of challenging entertainment. Step-by-step solutions are provided for each problem. If you're stuck, just study the solution and learn how its done. You may need a calculator when using this book.