I found a post online that you once had a Tektronix 7854 Waveform Calculator (http://www.classiccmp.org/pipermail/cctech/2003-January/007249.html) I have a mainframe that needs one. do you still have it? Benjamin R. Campbell 5332 Hardt Road Gibsonia, PA 15044-9114 home: 724-443-0022 cel: 412-877-0072 email: brc138(a)psu.edu www.personal.psu.edu/users/b/r/brc138/ Assistant Research Engineer Electro-Optics Science and Technology Center 77 Glade Drive Kittanning, PA 16201 work: 724-543-0266 fax: 724-545-9797 www.electro-optics.org "One should not pursue goals that are easily achieved. One must develop an instinct for what one can just barely achieve through one's greatest efforts." - Albert Einstein