Are Imaginary Numbers Really “Imaginary?”
58122
QM without complex numbers
130149
Computablility of a real number
107704
Applications of complex numbers to solve non-complex problems
70455
Why are all nonzero eigenvalues of the skew-symmetric real matrices pure imaginary?
70332
Is there a third dimension of numbers?
106272
Do numbers exist independently from observers?
62297
What can be said about complex numbers $z_1, z_2, z_3$ if $\frac{z_1 - z_3}{z_2 - z_3}$ is real?
65416
Is there a different way to define multiplication on Complex numbers?
10699
Why are There No "Triernions" (3-dimensional analogue of complex numbers / quaternions)?
64671
What's the physical meaning of the imaginary component of impedance?
140851
Precalculus unit circle with imaginary axis.
58675
The real or purely imaginary solutions of the equation, $z^3+iz-1=0$ are?
156946
The set of real numbers is a subset of the set of complex numbers?
87410
Are there real numbers that are neither rational nor irrational?
94878
Scheme: Changing the definition of complex numbers to accept vectors
105719
Complex numbers modulo integers
21769
Motivation for complex numbers