Question about Casio CFX-9850G Plus Calculator
My calculator works although it won't let me use the F1-F6 blue buttons. I'm not sure why it is doing this but I can no longer zoom, delete data and sketch.
Is it possible that there is a function to lock the function buttons from use? or Is my calculator broken?
The model is a CASIO CFX-9850GC PLUS
Clear the ram:
1. Press [MENU]2. Press [tan] (MEM)3. Select RESET4. [F1] (yes)
Posted on May 18, 2009
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Posted on Jan 02, 2017
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