Deleting Downloaded Aplets From The Calculator - HP 39gs Master Manual
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Also See for 39gs:
- User manual (314 pages) ,
- Quick start manual (76 pages) ,
- Instruction manual (5 pages)
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As was mentioned earlier, most of the aplets you download will have
'helper' programs associated with them. These are stored in the
. If you want more information on these 'helper'
Program Catalog
programs then read the chapter on programming and, in particular, the
command. Apart from curiosity, there is one important
SETVIEWS
respect in which you need to know about these programs and that is
when it comes time to delete an aplet. As you would expect, this is
initially done in the
APLET
If the aplet is simple a copy of one of the standard ten, then that is the end of the process. However if the
aplet has a set of one or more programs associated with it then those programs will not be deleted and will
still be taking up memory. To delete these left over programs you will need to switch to the
and remove them. Even with 230Kb to play with it is advisable to do this or your memory will gradually be
used up.
As an example of this, look at the aplet called "Coin Tossing" shown in
the
view right. Looking at the list of programs shown in the
APLET
view, you will see a set of programs which all begin
Program Catalog
. The convention encouraged by Hewlett-Packard
with the letters
.COIN
is to name the programs so that it is fairly obvious which ones belong to
which aplet, hence the
Simply position the highlight on each of the programs in turn and press
the
key. If your calculator only contains one aplet with programs
DEL
linked, then it is faster to use
once.
The
Program Catalog
number of aplets then you may find that you start to have trouble telling
what program belongs and what should be deleted but for the average
user this probably will not be a problem. The naming convention should ensure that you are able to work out
which is which. If you know the first letter of the name of the program then pressing that letter on the
keyboard will take you to it.
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view by highlighting the aplet and then pressing
code for an aplet called "Coin Tossing".
.COIN
to delete all programs at
SHIFT CLEAR
view has no
key. If you store a large
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250
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DEL
Program Catalog
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