3 ms·
I had the Radio Shack version, the EC-4001. http://www.vintagecalculators.com/assets/images/RadioShackEC4001.JPG http://www.vintagecalculators.com/assets/images
by sporkologist 9y ago
I had the Radio Shack version, the EC-4001. http://www.vintagecalculators.com/assets/images/RadioShackEC4001.JPG http://www.vintagecalculators.com/assets/images/RadioShackEC...