Do the LON-CAPA hooks into gnuplot current support things like set xtics ("April" 1, "May" 2, "June" 3, "July" 4) So that axes can be labeled with something other than numbers? Thanks, Todd -- Dr. Todd Ruskell Senior Lecturer, Department of Physics Office: Meyer Hall 326 Colorado School of Mines Phone: 303-384-2080 1523 Illinois Street Fax: 303-273-3919 Golden, CO 80401