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Why do some HP calculators have springs inside?
12-26-2022, 08:23 AM
Post: #9
Steve Simpkin Offline
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RE: Why do some HP calculators have springs inside?
Yes, the HP-12C is somewhat of a special case since it has been in production since it was introduced in 1982. There were at least eight hardware revisions of the HP-12C since 1981 (including one special issue). So the springs were probably not used on all versions.
https://en.m.wikipedia.org/wiki/HP-12C#Models
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RE: Why do some HP calculators have springs inside? - Steve Simpkin - 12-26-2022 08:23 AM



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