> I had access to an HP-35 at work in 1972, by way of my boss who was'nt > > keen on it (a gift from a brother-in-law who worked for HP.) > > Away from the job I wielded a Versalog. A different world... :) I still have my 1972 HP-35, though it needs some repair... Some day I'll get to that. Prior to that, I used an aluminum slide rule. I still have that and my father's bamboo slide rule. I still use my HP 15C daily. Harold --=20 FCC Rules Updated Daily at http://www.hallikainen.com Not sent from an iPhone. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .