Windstream
Ojk's Precalculus Study Page: Change of Base Formula
An introduction to logarithms with bases other than 10 and e, and how to work with them when solving equations. This tutorial includes lots of examples and exercises with solutions.
Math2
Math2.org: Exponential Identities
A list of exponential rules and logarithm rules for manipulating such terms and factors in equations or expressions.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: The Formal Rules of Algebra
Here is a site that clearly and thoroughly explains all the rules of algebra from commutative and associative rules through rules for exponents and logarithms. A great review of the important rules from Algebra I and Algebra II! Point...
William Mueller
William Mueller: Families of Functions
Meet the Function Family! Each member of the family has examples of their graphs and descriptions of the types of real-world situation that produce those graphs.
Texas Instruments
Texas Instruments: Solve Log Equation
This StudyCards set begins with "what is an equation?" and continues by developing the connection between points on the graph of the related function and a solution to an equation.