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whole # - this is not defined by mathematicians (use integer, positive integer, natural number, etc)

so, .5 is a real number?

does it have any complex part in it ? an \(i\) or \(\sqrt1\) ?

I mean \(\sqrt{-1}\)

0.5 + 0i

oh you cheater :P

:-)

it must have a non-zero complex part to be exact

...if it is *not* to be a real number, that is

But isn't the real line part of the complex plane?

s'K, just kidding a bit, it's the algebraist in me......

good habit ;)

I bet OP wish she never asked now.....:-)

so is .5 a real number???

A simple answer is that pretty much all the numbers you are used to (including 0.5) are real.