Whoa! 20 years in the game and I never thought about this—of course you want zero indexing when you have a 2D (or more) graph! I'll forgive myself, though, si

Whoa! 20 years in the game and I never thought about this—of course you want zero indexing when you have a 2D (or more) graph! I'll forgive myself, though, since I'm a web developer who has only ever had to do the most basic math.