Quote Originally Posted by a500lbgorilla View Post
A horizontal line would be y = 5. m = 0.

A vertical line would be x = 5. m has no meaning.

edit and i^2 is -1. It's more interesting to ask what is 1-sqrt(-1) but only barely.

Edit I take that back, imaginary numbers and the complex plane are cool.
I forgot about the ^ character.

I agree. Complex numbers are cool.

Why do electrical engineers use "j" instead of "i" for imaginary numbers?

Not sure what the Brits use.

/geek