About the Author: Ralph Butler is an engineering manager at Groupe Bull Large Systems Engineering in Phoenix AZ. He is currently a graduate student in the M.B.A. program at Arizona State University where he uses his HP 95LX extensively in the finance and accounting classes. Contact: Ralph Butler, Groupe Bull, P.O. Box 8000, MSC71, Phoenix, AZ 85066-8000; Phone: 602-862-4158; E-mail: r.butler@az05.bull.com