Sometimes you must use your imagination to see the answer.
Consider, SQRT(-1).
Every now and then you get a mathematician with musical ability. The following video is cute but not very meaningful for non-mathematicians.
Where are the zeros of Zeta of S?
WWG1WGA
Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)
SQRT(-1) = i
I just gets worse:
so every number has an imaginary component.