On 2024-04-16 10:34 a.m., Van Snyder via cctalk wrote:
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.
Keep quiet, now all old calculators will be $600 on ebay.