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An amusing article on slashdot, linked to a twitter thread as well.

This is the Story of the 1970s Great Calculator Race

I followed the link above to the twitter account and images:

https://twitter.com/PulpLibrarian/status...27360?s=09

What is fascinating is I hadn't heard of the 1967 "Cal tech"...



Nor.... the 1970...



These surely were the first true battery powered "portable" calculators... solid state as well.

(12-27-2018 07:45 PM)edryer Wrote: [ -> ]What is fascinating is I hadn't heard of the 1967 "Cal tech"...

You may be interrested by the detailed story of How the Computer Got Into Your Pocket.

Kinda cute how the Pocketronic's tape doubles as the display. I guess it saved the cost of LED displays.

Dave Britten posted this link to a BEGIN Japanology battle between Casio and Sharp to make the first sub-1mm thick calculator.

http://www.hpmuseum.org/forum/thread-386...l#pid35156

Here's a current link to the video.

https://www.youtube.com/watch?v=dKVvvvkshtk&t=1s