Pre-Calculus for DummiesGet ahead in pre calculus Pre calculus courses have become increasingly popular with 35 percent of students in the U. S. taking the course in middle or high school. Often, completion of such a course is a prerequisite for calculus and other upper level mathematics courses. Pre Calculus For Dummies is an invaluable resource for students enrolled in pre calculus courses. By presenting the essential topics in a clear and concise manner, the book helps