have an issue that ENG feature is not at all working
My new scientific calculator fx991-ex have an issue that ENG feature is not at all working l have tried hard but it's not working
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Press Shift and Menu to get to SETUP, then use the up/down arrow keys to step to ENG then press 1 to turn it on. There should be an E at the top of the screen to indicate that it is on.
To turn it off follow the same procedure and press 2.
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