Is there a way to do 2 variable statistics on the ti85 without a program? Thanks! Garvin Cung _/_/_/ _/ _/ _/ _/ _/_/_/ _/ _/ _/ _/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/_/ _/ _/ _/ _/ _/_/ _/ _/ _/_/_/ _/_/_/ _/ _/ _/_/_/ Garvin Cung : cung@worldnet.att.net Garvin's Homepage: http://www.geocities.com/researchtriangle/lab/2240