Why Do Imaginary Numbers Exist
11119
What are imaginary numbers?
115057
Relationship between complex number and vectors
122181
Application of Complex Numbers
23265
"Where" exactly are complex numbers used "in the real world"?
65300
Why is $\pi$ irrational?
106197
Complex numbers - Exponential numbers - Proof
56745
Why does this not work with an imaginary exponent?
68976
Given real numbers: define integers?
106940
Why are complex numbers considered to be numbers?
157066
Do We Need the Digits of $\pi$?
3645
Why Are the Reals Uncountable?
103014
Is the real number structure unique?
93652
The meaning of imaginary time
44661
Stop Mathematica from giving imaginary solutions
107704
Applications of complex numbers to solve non-complex problems
107327
Why do extraneous solutions exist?
127799
Eigenvalues of symmetric matrices are real without (!) complex numbers