Question about Sharp EL-531VB Calculator
No it does not have to be zero. Certain calculators display the content of the last screen, the one before it was turned off. As a rule you should make it your duty to press [ON/C] after turning calculator on, and before any new type of calculations.
If pressing the [ON/C] does not solve your problem, press the reset button on the back of the machine.
Hope it helps.
Posted on Sep 20, 2009
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Posted on Jan 02, 2017
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