3 ms·
The HP-28C and HP-28S were clamshells, along with their business counterparts. Great calculators, although the 28C was a bit tight on RAM. I had a 28C, 95LX an
by fmajid 8y ago
The HP-28C and HP-28S were clamshells, along with their business counterparts. Great calculators, although the 28C was a bit tight on RAM.
I had a 28C, 95LX and 200LX. The modern equivalent of the latter would be the Planet Gemini.