On: The exponential function is a miracle

[jaster]

If you're curious about this, betterexplained has a good article on Euler's Formula:

https://betterexplained.com/articles/intuitive-understanding...

As a bonus, understanding how it is related to rotation may give you a new insight on the Fourier Transform: https://betterexplained.com/articles/an-interactive-guide-to...