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.

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