The Precalculus course covers complex numbers; composite functions; trigonometric functions; vectors; matrices; conic sections; and probability and combinatorics. It also has two optional units on series …

In mathematics education, precalculus is a course, or a set of courses, that includes algebra and trigonometry at a level that is designed to prepare students for the study of calculus, thus the name …

What is Precalculus? Precalculus courses act as a prerequisite for calculus and cover advanced mathematical concepts based on quantitative reasoning and functions. Schools usually divide …

Study precalculus online free by downloading OpenStax's Precalculus 2e textbook and using our accompanying online resources including a precalculus study guide.

This site contains high school Precalculus lessons on video from four experienced high school math teachers. There are also packets, practice problems, and answers provided on the site.

Learn Precalculus skills for free! Choose from hundreds of topics including functions, complex numbers, vectors, matrices, and more. Start learning now!

Explore essential teacher resources for AP Precalculus, including course materials, exam details, and course audit information.