At the risk of being churlish, Euler's formula is called Eluer's formula several times in the text. However, if some of you check the math and it is all rigorously correct, that is arguably more important.

Perhaps you were hinting at that when you noted the author, who is

**Gode**, as "Code."

In counterbalance for such petty criticism, here is a fun toy to play with:

Wolfram Alpha - Complex Number Calculator

Perform basic math operations, find roots of complex numbers, apply functions, and do computations that give complex numbers as a result.

If you are really up for a challenge - simply reverse engineer it and build your own CN(

*i)*C.