Back of the Napkin Math

Welcome to Back of the Napkin Math — where we explore elegant ideas using nothing but a pen and a little intuition.
Elegant math explained with nothing but a pen, paper, and intuition.
Simple problems → surprising insights → powerful generalizations.

Welcome to Back of the Napkin Math, where we explore elegant mathematical ideas using just a pen, a camera, and curiosity.

If you enjoy:

clever shortcuts

intuitive explanations

surprising patterns

generalizations that reveal the “why” behind the math

…you’re in the right place.

Each video starts with a simple question and ends with a deeper understanding — all worked out by hand, right in front of you.

Perfect for anyone who loves math, from curious learners to seasoned problem solvers.