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Change of base formula proof

Logarithm properties

Introduction to logarithm properties
Introduction to logarithm properties (part 2)
Logarithm of a power
Sum of logarithms with same base
Using multiple logarithm properties to simplify
Change of base formula
Proof: log a + log b = log ab
Proof: a log b = log(b^a), log a - log b = log(a/b)
Change of base formula proof
Logarithmic equations
Solving logarithmic equations
Solving logarithmic equations
Logarithmic scale
Richter scale

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This collection was created November 2014.