A New Favorite Puzzle

The root of all powers... and the power of all roots.

Decimal-Crazed Lunatics

My students have lost their grip on mathematical reality.

ten delicious and easy formulas for pi that you can try at home

Why do you need trigonometry? Because... uh... iPhones.

What would you do, if you could design high school math from scratch? Well... not what we do now.