HP 48gII - Manual (Page 47)

Page 1-18
The number is rounded to the maximum 12 significant figures, and is
displayed as follows:
In the standard format of decimal display, integer numbers are shown
with no decimal zeros whatsoever. Numbers with different decimal
figures will be adjusted in the display so that only those decimal figures
that are necessary will be shown. More examples of numbers in standard
format are shown next:
• Fixed format with no decimals: Press the H button. Next, use the
down arrow key, ˜, to select the option Number format. Press the
@CHOOS soft menu key ( B), and select the option Fixed with the arrow
down key
˜.
Notice that the Number Format mode is set to Fix followed by a zero (0).
This number indicates the number of decimals to be shown after the
decimal point in the calculator’s display. Press the
!!@@OK#@ soft menu key
to return to the calculator display. The number now is shown as:
This setting will force all results to be rounded to the closest integer (0
digit displayed after the comma). However, the number is still stored by
the calculator with its full 12 significant digit precision. As we change the
number of decimals to be displayed, you will see the additional digits
being shown again.