College Math by practical application using the CASIO fx-991 ES

I did not find this book helpful. It is not user friendly. I hoped to be able to page to specific functions I wanted to learn about and follow the examples. I've found it pretty useless for that purpose. It is about as confusing as the booklet that came with the calculator. It is also translated from German. Instead of dollars it uses some other currency in examples. It is also hard to understand. I feel that I wasted my money. I would not recommend