Khan Academy

Graphs of exponential functions (old example) (K-A)

Transforming exponential graphs (example 2) (K-A)

Transforming exponential graphs (K-A)

Graphing basic logarithmic functions (K-A)

Graphs of logarithmic functions-video (K-A)

Graphs of logarithms & exponentials (K-A)

Evaluating logarithms (advanced) (K-A)

Intro to Logarithms (K-A)

Intro to logarithms-video (K-A)

Relationship between exponentials & logarithms (K-A)

Relationship between exponentials & logarithms: graphs (K-A)

Relationship between exponentials & logarithms: tables (K-A)

Benford's law (with Vi Hart, 1 of 2) (K-A)

Benford's law (with Vi Hart, 2 of 2) (K-A)

Logarithmic scale (K-A)

Logarithmic scale (with Vi Hart) (K-A)

Richter scale (K-A)

Intro to logarithm properties (1 of 2) (K-A)

Intro to logarithm properties (2 of 2) (K-A)

Intro to logarithm properties (K-A)

Justifying the logarithm properties (K-A)

Proof of the logarithm product rule (K-A)

Proof of the logarithm quotient and power rules (K-A)

Using the logarithmic power rule (K-A)

e and compound interest (K-A)