**TI83** Program file dated 08/19/98, 07:08I ISOTHERM7q20q1998??JX+Y+TEMP+X1+Y1?????f?i?e????~?~ ?~?~ ?P??+X+Y+??0c >0c ?????YqYY1?Y157Y1:1Y1?X92X1:1X1??X1+0X1?Y1+0Y1?N+1+Y1+1?Y1N+X1N+TEMPN??/N