Video Tutorials from Brightstorm
This awesome site has videos of teachers explaining many of the topics covered in Pre-Calculus. Lessons include examples similar to
those seen in class and may clarify what you learned.
Study Stack
Math flashcards made easy covering a large variety of topics.
Mathispower4u
Video tutorials on a wide variety of topics for high school and college courses.
Mathhints
Math lessons for all levels.