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Change Decimal Places for HP 20b to Display

The Mode menu allows you to customize the calculator. To access the Mode
menu, press [Shift][MODE]. Press [Up Arrow] or [Down Arrow] repeatedly to scroll through the menu starting with FIX=2 (the number of digits displayed to the right of the decimal point).

The current number of digits displayed to the right of the decimal point. Default is 2. Key in the number of digits you want and press the [INPUT] key, or press [ = ] key until the number of digits you want is displayed.  To exit the Mode menu, press [ON/CE] key.

Note: To view the full precision of a computed number, Press [Backspace] key.  This key is a true backspace key and begins deleting the rightmost digit of the full precision of a number (not the displayed, rounded value) upon the second press of the key. To stop this "editing" of the displayed number, press the [ON/CE] key.

Updated On: 08.06.26

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