Confused with imaginary numbers
3712
Why $\sqrt{-1 \cdot {-1}} \neq \sqrt{-1}^2$?
14668
complex number question involving modulus
73881
A question on numerical range
81585
What is the square root of complex number i?
95145
Does $\exp(2ir\pi)$ equal $1$? What's wrong?
5022
Can a set containing $0$ be purely imaginary?
123539
Numerical phenomenon. Who can explain?
116495
How to eliminate the zero real part of a purely imaginary number?
87322
How to calculate $i^i$
38674
Do complex numbers really exist?
143123
finding an argument of a complex number
35856
Refining my knowledge of the imaginary number
21903
What is the difference between [0-9]+ and [0-9]++?
2891
How to make the imaginary part of a +0. I zero globally?
101320
How to tell $i$ from $-i$?
80004
Why is $1/i$ equal to $-i$?
92595
A problem regarding the in-equality of complex numbers .