HP 49g+, Руководство пользователя, Страница: 114 / 862

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Notice that variable A12 is no longer there. If you now press
„§
, the
screen will show the contents of sub-directory MANS, including variable A12 :
Note:
You can use the stack to move a variable by combining copying with
deleting a variable. Procedures for deleting variables are demonstrated in the
next section.
Deleting variables
Variables can be deleted using function PURGE. This function can be
accessed directly by using the TOOLS menu (
I
), or by using the FILES
menu
„¡ @@OK@@
.
Using the FILES command
The FILES command can be used to purge one variable at a time. To delete a
variable from a given directory you can use the FILES menu. For example,
within the sub-directory {HOME MANS INTRO}, we have variables
p1, z1, R,
Q,
α
, and A left. Suppose that we delete variable A . Here is how to do it:
Press
„¡ @@OK@@
to produce the variable list. Use the down-arrow key
˜
to select variable A (the last in the list), then press
L @PURGE@ @@@YES@@@
. The
screen will now show the contents of sub-directory INTRO without variable A.