HP 48gII Graphing Calculator Manual de usuario descargar pdf (Pagina 118)

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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 α. We will use command PURGE to delete

variable p1. Press I @PURGE@ J@@p1@@ `. The screen will now show

variable p1 removed:

You can use the PURGE command to erase more than one variable by placing

their names in a list in the argument of PURGE. For example, if now we

wanted to purge variables R and Q, simultaneously, we can try the following

exercise. Press :

I @PURGE@ „ä³ J@@@R!@@ ™ ‚í ³ J@@@Q!@@

At this point, the screen will show the following command ready to be

executed:

To finish deleting the variables, press `. The screen will now show the

remaining variables:

Using function PURGE in the stack in RPN mode

We start again at subdirectory {HOME MANS INTRO} containing variables

p1, z1, Q, R, and α. We will use command PURGE to delete variable p1.

Press ³@@p1@@ ` I @PURGE@. The screen will now show variable p1

removed:

To delete two variables simultaneously, say variables R and Q, first create a

list (in RPN mode, the elements of the list need not be separated by commas

as in Algebraic mode): J „ä³ @@@R!@@ ™ ³ @@@Q!@@ `. Then,

press I@PURGE@ use to purge the variables.

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HP 48gII Graphing Calculator Manual de usuario Pagina 118

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