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You should try to explore the calculator to find its capabilities. You can also read the manual. Everything is in it.
Press the Mode button, then the down arrow key. On the second page of the mode list you find 2:Verif
There is nothing to fix in your calculator Put away in a desk drawer if you do not want to throw it in the garbage bin, and get yourself another one. Buy a Casio FX-115 ES Plus, or FX-991ES Plus C (or the equivalent Natural Display models available in your country), or a Sharp that has WriteView capabilities, or a TI 3x Multiview.
i have replaced vacumm belts before .. Normally it is located underneath..flip over the vacumm unscrew some screws.. open the cover..youll see a large roller pin type object remove it carefully noting how it is placed..pull it out.. and replace the belt...you can also clean off the debris while doing this..an added plus..for vacumm maintenace..
PLease indicate whether this has helped you at all ..Thank You
Hi, If you cannot find it, buy an FX-991ES. It is solar-powerd and it has the natural text-book display, which is a novelty in calculators. I know that Staples carry the FX-991ES.
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