Log plots are very useful for when you want to study a function or set of data which varies over a wide range of magnitudes.
Click and drag in the plot to draw a function. Click the Use log axis scale buttons to toggle the x and y-axes between linear and logarithmic scales.
How does plotting on a log or log-log graph deform the plot? Experiment with drawing a function with various selections for the axes.
Clear an existing graph by clicking it.