Calculating

 Some brave soul on an Internet forum shared the formula

for calculating complex exponents of the form (a + bi).

It is your number (x^a)*(x^bi). Below, a worked through

example.

                                                                                  

*     *     *

Started working on Duckters' Electricity last night. Not quite through the whole 

set yet...

https://www.ducksters.com/science/electricity_101.php