University of Guelph
University of Guelph: Logarithms
Exceptional page explaining almost anything you might want to know about logarithms.
Wolfram Research
Wolfram Math World: Common Logarithm
This MathWorld site gives two and three dimensional graph representations of the common logarithmic function, explains its notation, and shows how to represent a common logarithm as a natural logarithm. This site contains numerous...
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.
McGraw Hill
Glencoe Mathematics: Online Study Tool: Quiz on Common Logarithms
Learners demonstrate understanding of advanced mathematical concepts in Algebra II. The online quiz assesses the scholars on common logarithms.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Common Logarithms
Fourteen problems present a variety of practice working with common logarithms. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
Khan Academy
Khan Academy: Algebra Ii: Evaluate Logarithms: Change of Base Rule
Evaluate any logarithm in a calculator with the use of the change of base formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Cool Math
Coolmath: Pre Calculus Logarithms
This CoolMath resource provides guided practice logarithm problems that can be tested on a calculator.
Wikimedia
Wikipedia: Common Logarithm
Discusses using a table of logarithms before the use of calculators, gives an example of a logarithm and the parts of a logarithm, and also discusses the difference in the way mathematicians and engineers write logarithms.
Interactive Mathematics
Interactive Mathematics: Logarithms to Base 10
A short tutorial on common logarithms to base 10. Good example exercises.
Interactive Mathematics
Interactive Mathematics: Logarithms to Base 10
Learn how to calculate logarithms (to base 10) and antilogarithms with this simple demonstration.