HP Calculator Heritage HP 33E - 1979
The HP 33E and HP 33C was a handheld LED display calculators introduced in 1977. This advertisement appeared in a leading Japanese Magazine.
Hewlett-Packard Company - Corvallis Division
The HP 33E and HP 33C was a handheld LED display calculators introduced in 1977. This advertisement appeared in a leading Japanese Magazine.
Hewlett-Packard Company - Corvallis Division