Political Calculations, a site that develops, applies and presents both established and cutting edge theory to the topics of investing, business and economics.
Happy Valentine's Day to all lovers of math!
We used Microsoft Excel to generate the charts to go along with each equation, where convincing it to draw a proper circle on an x-y scatter plot for the "O" was especially challenging. If you ever want to attempt it yourself, we found Tushar Mehta's instructions to be invaluable!
Meanwhile, if you haven't yet geeked out enough, do check out Hannah Fry's discussion of the Mathematics of Love from 2014....