Computers and Calculators

The desktop sized machines: the programmable calculators that were really early desktop computers, and the portables that came after them.

• HP 9825A - a 16 bit calculator from 1976, with a CPU that is a work of art.
• HP 85A - an 8 bit calculator with a built in CRT and tape drive, 1980, and its repair.
• Dolch Pac 64 - a luggable PC with a full set of ISA slots.