Question about Casio FX1.0 Plus Calculator
Hi I have a problem with my Casio FX 1.0. It only shows a square black box and an arrow in the rigth down-corner. I can move the black-box, but I can't press anything! Well.. I can press it, but nothing happens :)
Hope there is a simple way to fix this... Hope its just me that doesn't know my friend the Casio well enough.
Clean the keypad and the printed ciircuit carefully with clean piece of cotton cloth.and apply
fresh battery after cleaning.
Posted on Feb 29, 2008
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