HP 48gII - Manual (Page 771)

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operations create their own variables for storing data. These variables will
be contained within the HOME directory or one of its directories. Details on
the manipulation of variables and directories are presented in Chapter 2 of
the User’s Guide.
Port memory
Unlike the HOME directory, port memory cannot be sub-divided into
directories, and it can only contain backup objects or library objects. These
object types are described below.
Checking objects in memory
To see the objects stored in memory you can use the FILES function ( „¡).
The screen shows the HOME directory with one directory, namely, CASDIR.
Additional directories can be viewed by moving the cursor downwards in the
directory tree. Or you can move the cursor upwards to select a memory port.
When a given directory, sub-directory or port is selected, press @@@OK@@@ to see
the contents of the selected object.
Another way to access port memory is by using the LIB menu (‚á,
associated with the 2 key).
If you have any library active in your calculator it will be shown in this screen.
Pressing the port 0 soft menu keys will open that memory port. Additional
information on libraries is presented below.