Video Lessons of the Unit Fun with Exponential Functions Basic Definition of Logarithm What is a Logarithm? Cool Exp and Log Graphs! Graphing Log Functions A Logarithm is an Exponent - Definition Rules of Logarithms Important!  Log Rules A Review of Logarithms Changing the Base of a Logarithm Growth and Decay Problems How to Solve Logarithmic Equations Solving Logarithmic Equations Continuous Growth! Log Word Problems A Realllllly good overview of the whole Logs chapter