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

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 …

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

Master precalculus with clear explanations, step-by-step solutions, and free guided notes at Understand the Math. This page covers functions, polynomial and rational expressions, …

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

Aug 7, 2025 · Precalculus educator resources—insights, tools, trainings, news, events and more, curated for the discipline you teach.

It is a text which students can learn from in its simplicity, clarity, and logic, and conversational tone, while maintaining mathematical correctness and completeness. An important element of …

Our Intermediate Algebra class includes the non-trigonometric topics of a typical precalculus class, plus a great many interesting topics left out of most standard curricula.

Free, interactive video lessons on precalculus!

The following How To videos explain topics you will see in precalculus, including algebra techniques, functions, the difference quotient, vectors, systems of equations, exponentials, …