The powers of x can work magic.
Continued fractions reveal the good, the bad and the beautiful side of numbers.
Eleven makes multiplication easy.
A quick look at an ancient problem.
Why there are only three regular polygons you can tile a wall with.
Fermat's little theorem and fake primes.
The mathematical problem with turbulence.
How crinkly is crinkly?
Count around the clock.
Capturing symmetry with algebra.
