I just bought and received a mint (and I mean mint!) HP97 with case, manuals, battery pack. The battery pack looks mint. I started performing some basic exponential decay calcs here at work with it and quickly found out that the zero (0) button does not work at all. What can I do. This looks like a keeper but I really want it to work properly. I don't think I can find one as nice as this. I've never opened up an HP, so I don't really feel comfortable trying to fix it, and I only want an honest person that won't mark it up with a screwdriver.
Help: HP97 key not working
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