...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 ...
we have a TI-89 and it is froze on the home page. we tried holding the 2nd button , left arrow , rigth arrow and pressing the on button. it comes up with installation in progress , but when that is ...
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