HP 50g Graphing Calculator - Manual (Page 95)

Page 2-35
To move between the different soft menu commands, you can use not only the
NEXT key
(L), but also the PREV key („«).
The user is invited to try these functions on his or her own. Their applications
are straightforward.
The HOME directory
The HOME directory, as pointed out earlier, is the base directory for memory
operation for the calculator. To get to the HOME directory, you can press the
UPDIR function („§) -- repeat as needed -- until the
{HOME} spec is
shown in the second line of the display header. Alternatively, you can use
„
(hold) §, press ` if in the algebraic mode. For this example, the
HOME directory contains nothing but the CASDIR. Pressing J will show the
variables in the soft menu keys:
Subdirectories
To store your data in a well organized directory tree you may want to create
subdirectories under the HOME directory, and more subdirectories within
subdirectories, in a hierarchy of directories similar to folders in modern
computers. The subdirectories will be given names that may reflect the
contents of each subdirectory, or any arbitrary name that you can think of.
The CASDIR sub-directory
The CASDIR sub-directory contains a number of variables needed by the proper
operation of the CAS (Computer Algebraic System, see appendix C). To see
the contents of the directory, we can use the keystroke combination:
„¡
which opens the File Manager once more: