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HP 35 display
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09-23-2024, 04:39 PM
(This post was last modified: 09-23-2024 04:41 PM by AnnoyedOne.)
Post: #5
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RE: HP 35 display
As I recall LED's and displays had* a lifetime of about 100,000 hours. That's about 11.4 years of continuous usage. Perhaps your HP 35 was left on for 8hrs/day.
* Modern ones probably much longer. A1 PS: Many of these older calculators are over 40 years old. I wouldn't use them as "daily drivers". HP-15C (2234A02xxx), HP-16C (2403A02xxx), HP-15C CE (9CJ323-03xxx), HP-20S (2844A16xxx), HP-12C+ (9CJ251) |
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