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My HP-11c, one of the Hewlett-Packard calculators, which I have used regularly since 1986 [1] https://www.hpmuseum.org/hp11c.htm https://www.hpmuseum.org/hp11c
by EdwardCoffin 5y ago
My HP-11c, one of the Hewlett-Packard calculators, which I have used regularly since 1986
[1] https://www.hpmuseum.org/hp11c.htm https://www.hpmuseum.org/hp11c.htm
- jrumbut 5y agoMy mother had one of those, I also once borrowed my father's HP graphing calculator for a math test and quickly became unpopular because it beeped every time you hit the wrong key.