Khan Academy: This website breaks down each subject area by using videos, examples and explanations.
CliffNotes: Pre-calculuscontains detailed explanations of the following topics: relations vs. functions, combining and composing functions, inverse functions, factoring polynomials, quadratic equations, exponential functions, and logarithmic functions.
Texas Instruments: Equipped with tutorials on graphing calculators, explanations and practice problems on a range of concepts, test preparation advice, and more, this site is sure to be an invaluable tool for any student of pre-calculus – or, indeed, any level of math.
Tulyn: Math For Allis designed to aid the pre-calculus student through video tutorials, worksheets, and word problems. This site also contains discussions, allowing students to both ask and respond to questions.
Calculus Helppresents explanations for topics ranging from the chain rule to integration by parts.
The Calculus Pageoffers problems with step-by-step solutions, as well as information on derivatives, exponents, and logarithms and a glossary of terms.
S.O.S. Mathematics: Calculusprovides detailed descriptions for the following topics: sequences, series, limit and continuity, differentiation, integration, techniques of integration, local behavior of functions, Power Series, and Fourier Series. Numerous examples and sample problems are included.
Visual Calculus: This site contains explanations, tutorials, and animations covering the following topics: limits and continuity, derivatives, applications of differentiation, integration, applications of integration, and sequences and series.