This is the Story of the 1970s Great Calculator Race
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12-27-2018, 07:45 PM
Post: #2
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RE: 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. HP-28S (1988 US model), DM41X (2020) |
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Messages In This Thread |
This is the Story of the 1970s Great Calculator Race - Bill Duncan - 09-04-2018, 03:40 PM
RE: This is the Story of the 1970s Great Calculator Race - edryer - 12-27-2018 07:45 PM
RE: This is the Story of the 1970s Great Calculator Race - Didier Lachieze - 12-27-2018, 08:04 PM
RE: This is the Story of the 1970s Great Calculator Race - John Keith - 12-27-2018, 09:50 PM
RE: This is the Story of the 1970s Great Calculator Race - Dave Frederickson - 12-27-2018, 11:00 PM
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