This page contains some class lecture notes for Precalculus. All the files are in PDF and are copyright protected.
They do not substitute your class activity/notes/lecture, but serve as an auxiliary resource.
A. Lecture Notes and Practice Exercises
B. Supplementary practice exercises with sound!
To be able to view properly these files, you should have installed the latest version of Adobe Reader (click here) on your computer. You also may try to save first the file on your PC.