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Amazon.com: 10pk 1.55V WatchSilver Oxide Battery Replaces 357BPZ 871B MS76E S-76E, 32S FT17 FT7 HP 17B2 HP-12C HP-15C, L1154, SP357, 0514H 0524H 2388 3302 3303 3500H, TI-30XA TI30111 TI30XA TI35 TI84, 521
![My Dad's HP 15C calculator, still in almost daily use. It turns 30 years old next year and still works as well as the day he bought it. I'll probably inherit it My Dad's HP 15C calculator, still in almost daily use. It turns 30 years old next year and still works as well as the day he bought it. I'll probably inherit it](https://external-preview.redd.it/kTdglxyesrQDtZzT2pfXdJ5AwKuAd-asEFM4xbAD8b4.jpg?auto=webp&s=2163879168aab5bc73c852c6433e542a5ded0f09)
My Dad's HP 15C calculator, still in almost daily use. It turns 30 years old next year and still works as well as the day he bought it. I'll probably inherit it
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