After using function mode. Now I can't switch back to COMP mode.
The shift & mode button is not working.
After waiting for 20 minutes in the table display, I opened the calculator & rested the battery. Now I escaped the table mode. Now returned to which mode, I am unsure.s
Only D & Math is displayed on top of the display.
I can do basic math operations but still can not access the mode or shift button
After auto turning off, the problem remains
Mode not working fx-991ES
Started by
khraza
, Jun 01 2021 09:35 AM
fx-991ES mode problem shift problem Function mode
1 reply to this topic
Also tagged with one or more of these keywords: fx-991ES, mode problem, shift problem, Function mode
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