The article didn't have any mention of Euler, but this is typically called Euler's Formula and is considered one of the most beautiful formulas to Mathematician

The article didn't have any mention of Euler, but this is typically called Euler's Formula and is considered one of the most beautiful formulas to Mathematicians. Here's some more info if you want to find out some info, applications and such: http://en.wikipedia.org/wiki/Eulers_formula http://en.wikipedia.org/wiki/Eulers_formula