From Chris S’s website at UCSB
The SMITH chart is a graphical calculator that allows the relatively complicated mathematical calculations, which use complex algebra and numbers, to be replaced with geometrical constructs, and it allows us to see at a glance what the effects of altering the transmission line geometry will be.
Here is what a real Smith Chart looks like.
Source Chris’s UCSB website
Now this guy must be an EE
Nice share dude Thanks