**TI83F* Program file 04/19/04, 16:11u dDISTANCEdbÜ*X1>*+Z?XX?Ü*Y1>*+W?ZZ?Ü*X2>*+X?YY?Ü*Y2>*+Y?WW?¼XqZ pYqW A?á?Þ*¼*+A ?Þ**?Þ*DISTANCE*+AÒ