## A REALLY Brief Intro to Complex Numbers

Venn Diagram of Number Sets from Keith’s Think Zone

Imaginary numbers and complex numbers interest me a lot.  Aside from the properties of infinity ($\infty$), complex numbers $\mathbb{C}$ are, well… complex! They’re very strange and yet they open a whole new world of numbers beyond the Real numbers $\mathbb{R}$.

Let’s find out what real numbers and complex numbers are.