Question about Casio FX-115ES Scientific Calculator

# Casio Fx-82TL calc display problem

I have just changed the batteries for my calculator. but the the extreme 2 digits on screen have gone partly invisible. So I cannot see the tenth and zeroth values of a calculation. I checked the ribbon cable..that connects the diplay..it is perfectly fine. I have done the screen test..no go. Resetting the calc doesn't help. Nor does taking off batteries and putting them back on. Any help. Dont feel like throwing it away...but at the same time...repair would cost as much as a new calc.

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It seems the problem is on the lcd. technicians usually use soldering iron to apply heat to the cable connecting the lcd to its mainboard.

Posted on Sep 30, 2008

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F(x)=-x2 -1

Posted on Nov 12, 2008

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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goodluck!

Posted on Jan 02, 2017

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