In my previous blog I mentioned that *“if there’s one mathematical constant that reigns supreme in the heady world of statistics, it’s Pi”*. But what about that *other* mathematical constant, Euler’s Number, *e*? I don’t think statistics would have advanced very far without *e*. Well in fact Pi, *e* and the square root of -1, denoted by *i*, share a special bond, known as Euler’s Identity:

Many mathematicians consider Euler’s Identity to be the most beautiful equation of all time. And I have to admit it sends tingles down my spine too. I also get the same sensation when I see fractals, or Einstein’s famous proof of the equivalence of mass and energy, E=mc^{2}.

I must be some nerd.

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