University of Guelph
University of Guelph: Logarithms
Exceptional page explaining almost anything you might want to know about logarithms.
University of Utah
University of Utah: What on Earth Is a Logarithm?
This site explains "What on Earth is a Logarithm?" It has examples and a logarithm calculator, as well as links to related topics.
Math Medics
S.o.s. Math: A Review of Logarithms
A good lesson reviewing and explaining the rules for using logarithms. The lesson has links to related topics.
Interactive Mathematics
Interactive Mathematics: Exponential and Logarithmic Functions
This is a comprehensive tutorial on Exponential and Logarithmic Functions
University of Vienna (Austria)
Maths Online
This site consists of interactive lessons on a multitude of math topics including sets, drawing plane and coordinate system, variables, equations, and functions. You may also view this Vienna University site in German.
Wolfram Research
Wolfram Math World: Natural Logarithm
This site gives graphs of logarithmic functions and pays particular attention to base 10 and base e (natural logarithm). The site explains how to change bases, the importance of the natural logarithm in calculus, incorporating the...
Windstream
Ojk's Precalculus Study Page: Logarithmic Functions
A wonderful study tutorial explaining logarithmic functions. Learn how to solve simple logarithmic functions. Includes many graphs and examples.
Shodor Education Foundation
Shodor: Logarithms
This site explains Logarithms. The site has examples the student can examine and exmples the student can work and check online.
Math Medics
S.o.s. Math: Calculus
This lesson has links to the various topics dealing with calculus. The student just needs to find the topic then click to go to it.
Math Medics
S.o.s. Math: Properties of Logarithms
Site provides the many properties of logarithms, including common and natural logarithms. Also gives examples and formulas for each.
Other
Distance Math: Exponential and Logarithmic Functions
This site has explanations of the Exponential and Logarithmic Functions. The site has several examples
Johan Claeys
Exponential and Logarithmic Functions
Comprehensive site with links to various subjects dealing with Exponential and Logarithmic functions. The site has examples for the student to work out.
CK-12 Foundation
Ck 12: Analysis: Logarithmic Functions
[Free Registration/Login may be required to access all resource tools.] Evaluating logarithmic functions by comparing to exponential functions and rewriting to solve.
CK-12 Foundation
Ck 12: Analysis: Logarithmic Functions
[Free Registration/Login may be required to access all resource tools.] Evaluating logarithmic functions by comparing to exponential functions and rewriting to solve.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Logarithms
Here is a site that clearly and thoroughly explains logarithms and their properties. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have...
Illustrative Mathematics
Illustrative Mathematics: F Bf Exponentials and Logarithms Ii
The purpose of this task is to help students see that the definition of the logarithm as an exponent results in an inverse relationship between the exponential and logarithm functions with the same base. This prepares them to think about...
CK-12 Foundation
Ck 12: Analysis: Inverse Properties of Logarithms
[Free Registration/Login may be required to access all resource tools.] This lesson explains the inverse properties of a logarithmic function. Students examine guided notes, review guided practice and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra Ii: 3.7 Properties of Logs
This section explores the properties of logs. More specifically, it investigates how to apply these properties to simplify and expand logarithmic expressions, and to convert between expressions in logarithmic and exponential forms.
Math Notes and Math Tests
Pre Calculus Notes: (More) Properties of Logs [Pdf]
The resource investigates properties of logarithmic functions. Topics examined are laws of exponents, expanding logarithmic expressions, condensing logarithmic expressions, and the change of base formula. Class notes and examples are...
University of Utah
University of Utah: A Simple Example Logarithms
This site from the University of Utah provides a good simple base conversion page.
eFunda
E Funda: Properties of Logarithmic Functions
A list of properties of logarithmic functions. A handy reference tool while working problems.
Johan Claeys
Problems About Exponential and Logarithmic Functions
This site presents a set of problems in exponential and logarithmic functions and walks the student through the procedure for solving the problem.
University of Guelph
University of Guelph: Physics Tutorials: Logarithm Bases
This site explains the types of logarithms.