## The most beautiful formula

Occasionally, people hold polls for the most beautiful mathematical formula of all time — yes, they really do, I am not  making this up, honest —- and nearly, always the winner is a famous formula discovered by Euler, which uses complex numbers to link the two famous constants $e$ and $\pi$. The formula is

$e^{i \pi}=-1$

and it is extremely influential in a branch of mathematics known as complex analysis.

(Prof. Ian Stewart’s Cabinet of Mathematical Curiosities).

(culled by)

Nalin Pithwa

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