I use a TI SR-40 given to me by my grandpa. I put a 9V battery in it and use it ... | Hacker News

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mc68k on Aug 3, 2023 | parent | context | favorite | on: Ask HN: Do you still use a hand held/desktop calcu...

I use a TI SR-40 given to me by my grandpa. I put a 9V battery in it and use it at work.

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