What am I doing wrong here?

I’m using a Casio fx-580VN X and I am trying to solve the problem below. As I understand, it should be able to work with complex numbers, yet I get math error no matter what I try to do. It also happens if I simply put ei

Maybe I misunderstood something and my calculator is not capable of this. No matter what I hope someone here can help

I’m using a Casio fx-580VN X and I am trying to solve the problem below. As I understand, it should be able to work with complex numbers, yet I get math error no matter what I try to do. It also happens if I simply put ei

Maybe I misunderstood something and my calculator is not capable of this. No matter what I hope someone here can help