The Office

Euler’s Identity

Very few things in maths are as uncanny as $\pi$’s ability to just manifest out of absolutely nowhere. Perhaps the most prominent (and mind-boggling) instance is Euler’s identity: $e^{i \pi} = -1$. The constant $e$ is for logarithms, $\pi$ is for circles and $i$ is for square roots, yet somehow, they fit neatly together.