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Swap
Stack
DROPN
DUPN
Echo
LIST
Show an
item
Delete an
item
48
You can swap the position of the objects on stack level 1 with
those on stack level 2. Just press
remains unchanged. Note that the entry line must not be active
at the time, otherwise a comma will be entered.
Tapping
displays further stack-manipulation tools.
Deletes all items in the stack from the highlighted item down to
and including the item on stack level 1. Items above the
highlighted item drop down to fill the levels of the deleted items.
If you just want to delete a single item from the stack, see "Delete
an item" below.
Duplicates all items between (and including) the highlighted item
and the item on stack level 1. If, for example, you have selected
the item on stack level 3, selecting DUPN duplicates it and the
two items below it, places them on stack levels 1 to 3, and moves
the items that were duplicated up to stack levels 4 to 6.
Places a copy of the selected result on the entry line and leaves
the source result highlighted.
Creates a list of results, with the highlighted result the first element
in the list and the item on stack level 1 the last.
Before
To show a result in full-screen textbook format, tap
Tap
to return to the history.
To delete an item from the stack:
1. Select it. You can do this by pressing
is highlighted, or by tapping on it.
. The level of other objects
o
[Not working]
After
=
or
\
Reverse Polish Notation (RPN)
.
until the item
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