It looks to me like most of the space is taken up with a plot of the sine function and the python code to generate the plot. Maybe it's a little fluffy, but it

It looks to me like most of the space is taken up with a plot of the sine function and the python code to generate the plot. Maybe it's a little fluffy, but it might be good for somebody self-taught, or a young person learning all of this stuff for the first time and wanting a quick reference.