#1**+1 **

a number that is expressed in terms of the square root of a negative number (usually the square root of −1, represented by i or j ).

killersteve27 Feb 21, 2018

#2**+1 **

This might explain it better than I can :

https://www.mathsisfun.com/numbers/imaginary-numbers.html

BTW....Isaac Asimov would argue with the term "Imaginary"....he claimed that they were just as "Real" as "Real" numbers !!!!!

CPhill Feb 21, 2018

#4**+1 **

Well CPhill Is better than me anyways.

I guss ill stick to my welcome messages.

Good work man.

killersteve27
Feb 21, 2018

#3**+1 **

......agree numbers that have an 'i' (as in IMAGINARY) component ...involves a sqrt of a negative number.... SOMETIMES '0' is considered imaginary too (at least that is what I found)

ElectricPavlov Feb 21, 2018