Manipulating Elements Of A List; List Size; Extracting And Inserting Elements - HP 49g+ User Manual

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Manipulating elements of a list

The PRG (programming) menu includes a LIST sub-menu with a number of
functions to manipulate elements of a list. With system flag 117 set to
CHOOSE boxes:
Item 1. ELEMENTS.. contains the following functions that can be used for the
manipulation of elements in lists:

List size

Function SIZE, from the PRG/LIST/ELEMENTS sub-menu, can be used to
obtain the size (also known as length) of the list, e.g.,
Extracting and inserting elements in a list
To extract elements of a list we use function GET, available in the
PRG/LIST/ELEMENTS sub-menu. The arguments of function GET are the list
and the number of the element you want to extract. To insert an element into
a list use function PUT (also available in the PRG/LST/ELEMENTS sub-menu).
The arguments of function PUT are the list, the position that one wants to
replace, and the value that will be replaced. Examples of applications of
functions GET and PUT are shown in the following screen:
Page 8-10

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