Nice applet. And it works, too. :]
For those of you who don't have a clue as to what does this applet do, it fixes your EVs correctly so that you use your 510 EVs to their full potential.
For all your Pokemon needs (and more!) including: the Defensive EVs
applet, the Probabilities of Breeding IVs in Pokemon
applet, and the Ratings of Pokemon Base Stats
applet (now Version 2.0!)
. And also the IV to PID