On Tue, 2024-04-16 at 12:38 +0100, Adrian Godwin via cctalk wrote: > 901B is the first pocket calculator I remember - I don't know if there were > earlier ones.
The first one I remember is the HP Digital Slide Rule, about 1965. Six digits. $600.
On Tue, 2024-04-16 at 12:38 +0100, Adrian Godwin via cctalk wrote: > 901B is the first pocket calculator I remember - I don't know if there were > earlier ones.
The first one I remember is the HP Digital Slide Rule, about 1965. Six digits. $600.