## Featured Resources

Below you will find our many useful resources. For your convenience, you may sort the resources by selecting the category on the right that you are interested in. You may select more than one category to filter.

This course has videos and articles covering many of the topics in AP Chemistry.

Here you can browse chemistry videos, articles, and exercises by topic. We keep the library up-to-date, so you may find new or improved material here over time.

How do you find the area under a curve? What about the length of any curve? Is there a way to make sense out of the idea of adding infinitely many infinitely small things?

This course has videos, articles, and practice covering topics from motion to waves, and more.

Khan Academy: AP®︎/College Computer Science Principles

This review course includes 800+ practice questions, plus instructional articles and videos covering the topics of digital information, the Internet, cybersecurity, programming, algorithms, simulations, and data analysis.

The only thing separating multivariable calculus from ordinary calculus is this newfangled word “multivariable”.

The Precalculus course, often taught in the 12th grade, covers Polynomials; Complex Numbers; Composite Functions; Trigonometric Functions; Vectors; Series, Conic Sections, Probability and Combinatorics.

Learn high school statistics for free—scatterplots, two-way tables, normal distributions, binomial probability, and more.

Learn pre-algebra—all of the basic arithmetic and geometry skills needed for algebra.

Course summary. Foundations. Algebraic expressions. Linear equations and inequalities. Graphing lines and slope. Systems of equations. Expressions with exponents. Quadratics and polynomials.

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs, Systems of equations and inequalities, and more.

Learn high school geometry for free—transformations, congruence, similarity, trigonometry, analytic geometry, and more.

Course summary:  Polynomial arithmetic · Complex numbers · Polynomial factorization · Polynomial division · Polynomial graphs · Rational exponents and more.

Learn trigonometry for free—right triangles, the unit circle, graphs, identities, and more.

Learn AP®︎ Calculus AB for free—everything you need to know about limits, derivatives, and integrals to pass the AP® test.

Learn AP®︎ Calculus BC for free—everything from AP®︎ Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the AP®︎ test.

Calculus 1. Math:  Fundamental theorem of calculus and definite integrals, Integrals Reverse power rule, Integrals Indefinite integrals of common functions, and more

Course summary : Integrals review, Integration techniques, Differential equations,  Applications of integrals, Parametric equations, polar coordinates, and more.

Here, you can browse videos, articles, and exercises by topic. We keep the library up-to-date, so you may find new or improved content over time.

Learn differential equations for free—differential equations, separable equations, exact equations, integrating factors, and homogeneous equations, and more.

Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice.

A brief introduction to organic chemistry.

Here, you can browse videos, articles, and exercises by topic. We keep the library up-to-date, so you may find new or improved material here over time.

This algebra-based course covers the main topics in high school introductory and honors physics, including motion, force, work, energy, momentum, collisions, and more.

Course summary:  Intro to JS: Drawing & Animation, Intro to HTML/CSS: Making webpages, Intro to SQL: Querying and managing data, and more.

AP®︎/College Physics 2 · Course summary: Fluids. Thermodynamics, Electric charge, field, and potential, Circuits, Magnetic forces, magnetic fields, and more.

Khan Academy: Computers and the Internet

Learn the basics of how computers and the Internet work in these videos from our friends at Code.org. 