So it just died.
My oldest son is taking a level of math such that he needs a graphing calculator. Of course we bought one used on Amazon. It lasted roughly a year.
So for the next one, I bought a refurbished unit. At least that stands a chance of lasting a bit longer.
As it turned out, he needed a more powerful calculator for next year, anyhow.
Sigh.
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My Dad gave me his first calculator a while back. It was an early scientific one with a red LED display. I threw it away because I couldn’t think of a good reason to keep it. I did take a photo of it though, as it’s a little piece of history.