On Tue, 2024-04-16 at 11:31 -0700, Stan via cctalk wrote: > I've never heard of the HP Digital Slide Rule. Do you have photos > and/or more details?
No photos. Sorry, I didn't have an iPhone when I was a college freshman in 1965. I never saw one, anyway. We got by with Monroe and Friden mechanical calculators, full of gears and cams. One of them could even do square roots. > I am familiar with the first HP desktop calculator (9100A) that > inspired their first handheld calculator (HP-35). The HP-35 was a > ten-digit calculator that was released in 1972 for $395. > -----Original Message-----From: Van Snyder via cctalk < > cctalk@classiccmp.org> Sent: Tuesday, April 16, 2024 9:34 AMTo: > General Discussion: On-Topic and Off-Topic Posts < > cctalk@classiccmp.org>; ED SHARPE <couryho...@aol.com>Cc: Adrian > Godwin <artgod...@gmail.com>; Van Snyder <van.sny...@sbcglobal.net>Su > bject: [cctalk] Re: Bomar 901b My wife found in my stuff. Is this as > scarce at it seems?s,? > 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.
