Hp 50g Graphing Calculator Uživatelský manuál stáhnout pdf (Strana 121)

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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:

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,

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.

Using function PURGE in the stack in Algebraic mode

We start again at subdirectory {HOME MANS INTRO} containing now only

variables p1, z1, Q, R, and

. We will use command PURGE to delete

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.

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