The 'log' option allows you to understand the concept of logarithms and solve some basic problems.

The 'equation' option proposes problems that are a little more difficult to solve.

The "property of product", "property of quotient", "power property" and "change of base" options generate to problems that have to be solved in order to understand the properties of operations with logarithms.

The 'graphing' option allows logarithmic and exponential functions to be displayed on the screen.