David E. Dunning explores how mathematical notation is a social, world-building technology. It’s natural to think of math as being fundamentally abstract. Whether it’s invented or discovered, its ...

Galileo once famously described the universe as a great book “written in mathematical language and its characters are triangles, circles, and other geometrical figures.” Unfortunately, it’s a language ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.