Fiddler on the Loose
All that talk of the Rockwell 8R that I indulged in last time reminded me of something I discovered way back then but never really shared with anyone until now. The next model of calculator up from mine was the Rockwell 18R which was a very similar device except that it had the benefit of a memory . Imagine that. Only the rich kids in school had calculators with memories . You'd have thought that what with my four function calculator being my proudest possession (aside from my clunky LED digital watch) I'd have treated it with kid gloves, but far from it. I was always obsessed with taking things to pieces. I'm not sure why - it's not as if prying the back of most machinery would have given me any insight into how it worked, but I used to do it anyway. Once I was convinced that if I swapped the connections for the aerial and the loudspeaker on an old valve radio I'd have built myself a radio transmitter. Anyway, I pulled the front off my calculator and was surpri...