[Randall Munroe] certainly understands the power of graphical representation of data. The humorous plots in his xkcd webcomic are one of the favorite parts for many readers. Their distinctive, ...

Sometimes I have to write stuff so I won't forget how to do it. This is one of those times. In my recent post on the angular size of a soccer goal, I created a contour plot. Despite what you might ...

Measure your hand. Create and use a line plot of hand span data to answer questions. Warm up with a Mystery Math Mistake to find the mistake made in counting up on a number line to subtract. Notice ...

Unleash the power of Python without giving up Windows.