This comic is the product of my former life as an engineering student and math tutor. Since I burned all my old college notes, I had to dust off my TI-83 graphing calculator for reference material. I also consulted
Wolfram Alpha - that website is amazing.
Also: there is still time to order Incidental Comics posters before the holidays! Follow
this link or visit the "Poster Shop" tab at the top of the page.