Question about HP 10bII Calculator
HP 10B II
says -4. 'C
on the screen and it keeps comming back to this.
the lower half of the "-4." is fadded away.
Can you help me or do I need to buy a new one?
Take the battery out and put back again it will reset the whole calculator
Posted on Mar 14, 2009
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Posted on Jan 02, 2017
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