Display

The display shows due to their specialized indicators:

1. The name of an expression pre-recorded that the calculator is evaluating
2. The number of currently opened parenthesis
3. The last pressed operator (+-x:=)

You can change the graphic form of the numbers shown holding for more than a second the display.
you can increase or decrease the number of decimal places to display by swiping left or right on the display itself.

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