difficulty of accepting $i^2 = -1$ for first timers
38674
Do complex numbers really exist?
95449
What is the square root of "$i$"?
71566
Positive and negative complex numbers?
95145
Does $\exp(2ir\pi)$ equal $1$? What's wrong?
70974
How can zero divided by $i$ be $2\pi$?
12090
On Negative AIC Values
17211
Is it wrong to tell children that $1/0 =$ NaN is incorrect, and should be $∞$?
19628
What is wrong with this fake proof $e^i = 1$?
124581
Solving $x^2 - 1 = e^x$
45874
What do 1.#INF00, -1.#IND00 and -1.#IND mean?
112843
What is the proper way to extend the Fibonacci numbers to negative numbers?
140459
Why is $\left(e^{2\pi i}\right)^i \neq e^{-2 \pi}$?
101169
Prove that $x^2 = - 1$ has no solution in $\mathbb{Z}$
54435
What is the value of $1^i$?
124209
How is $\ln(-1) = i\pi$?
6721
math fallacy problem: $-1= (-1)^3 = (-1)^{6/2} = \sqrt{(-1)^6}= 1$?
148993
Can the initial time be non-zero?