HP 48gII - Manual (Page 28)

Page Note-2
Notice that the header lines cover the top first and a half lines of output in the
calculator’s screen. Nevertheless, the lines of output not visible are still
available for you to use. You can access those lines in your calculator by
pressing the up-arrow key (
—), which will allow you to scroll down the
screen contents.
Also, as you perform the three operations listed in the screenshot, in the order
shown, your screen will show them occupying higher levels in the display as
shown next:
The keystrokes required to complete these exercises are the following:
S2.5`
R„Ü5.5+‚¹2.5`
The next operation,
2.3+5*„Ê\2.3`
will force the lines corresponding to the operation SIN(2.5) to move upwards
and be hidden by the header lines.
Many screenshots in this guide have also been modified to show only the
operation of interest. For example, the screenshot for the operation SIN(2.5),
shown above, may be simplified in this guide to look as: