I wrote:
Actually, all HP handheld calculators made before 1986
used
56-bit words, and 10-bit instructions. The HP-01 watch was similar
but used a 48-bit word.
Tony wrote:
Do you not consider the HP71B to be a handheld HP
calculator?
It has a calculator mode, but I've always considered it to be a
handheld computer. Isn't that what HP called it?