EV Training is a special way to play Pokemon that utilizes math to maximize each of your pocket monster's statistics. Pokemon Rusty doesn't get it, even after the amazing Mr. Brentalfloss expertly summarizes it in song. "You're sucking the fun out."
I've never been much of a min-maxer myself, preferring to enjoy my games without having to pull out a calculator. The most mathematical I've gotten was in Funcom's Anarchy Online, the MMO where putting on a piece of advanced armor is only a large, complicated equation away.
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