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HP 28C Calculator not power on
11-26-2019, 07:47 PM
Post: #1
HP 28C Calculator not power on
All,

I tried to power on a HP 28 Calculator. When I pressed on button, it does not have any display on the screen. How can I know if this calculator is still functional? New battery has been placed.

Thanks,

Francis
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HP 28C Calculator not power on - Francis - 11-26-2019 07:47 PM



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