Could 1/0 be an imaginary number?
19655
Why don't we define "imaginary" numbers for every "impossibility"?
23265
"Where" exactly are complex numbers used "in the real world"?
51191
Does a negative number really exist?
17211
Is it wrong to tell children that $1/0 =$ NaN is incorrect, and should be $∞$?
62792
Can sum of a rational number and its reciprocal be an integer?
35856
Refining my knowledge of the imaginary number
9737
Complex number operations: telling Mathematica variables are real
9969
Is infinity a real number?
68976
Given real numbers: define integers?
117039
How to show $(1/n!)^{1/n}$ goes to $0$ as $n$ goes to infinity?
80004
Why is $1/i$ equal to $-i$?
158524
Complex numbers $z$ such that $|z|= 1$
141863
If the imaginary part of an entire function is never zero, the function is constant
140300
Does the interval $[0,1]$ contains more real numbers than $(0,2)$?
105719
Complex numbers modulo integers
65416
Is there a different way to define multiplication on Complex numbers?
140851
Precalculus unit circle with imaginary axis.