kENDALL TI-84 Plus User manual

Discovering Algebra Calculator Notes for the Texas Instruments TI-84 Plus ©2014 Kendall Hunt Publishing 1
Calculator Notes for the TI-84 Plus
Note: Entering Lists
There are six pre-set lists in the calculator: lists L1through L6. You can create
other named lists if needed. You can enter 999 elements into a list if enough
memory is available.
Clearing Data
If a list already has data in it, move the cursor up so that the list name is
highlighted and press ‘ Í.
Entering Data Directly into a List
Follow the steps below to enter data (such as 400, 455, 390, 450, 360, 320,
480, 480) into a list.
a. Press … À (Edit...).
b. Enter each number into list L1. If you do not see list L1, see the sections
Resetting a List or Recalling a List that follow. After entering each
data value, press Í.When you are finished entering the data, press
y 5. If you wish to add a data value in the middle of the list,
move the cursor to the place of insertion, press y 6, and then enter
the number. To remove an entry from a list, highlight the entry and
press {.
Naming a List
If you name a list, then you can save it for later use. To name a list, highlight the
name of any list, for example L1, L2, and so on, and press y 6. A new list
will appear to the left of the list you highlighted. Enter a name for the list, for
example, YEAR. (The flashing Atells you that you are in Alpha mode, so unless
you want to enter a number as part of the name, you can just enter the list
name.) Press Í and you will see that the list now has a name.
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Discovering Algebra Calculator Notes for the Texas Instruments TI-84 Plus ©2014 Kendall Hunt Publishing 2
Note: Entering Lists (continued) TI-84 Plus
Resetting a List
To reset the calculator so that only lists L1through L6are displayed, press
… and select 5:SetUpEditor. This action will not delete a named list from
the calculator’s memory and you will still be able to recall a named list with its
stored data.
Deleting and Archiving a List
To delete a list, press y [MEM], select 2:MemMgnt/Del..., and then 4:List..., arrow
to the list you want to delete, and press {.You can delete a pre-set list or a
named list. If you delete a list, you lose the data in the list. To avoid losing the
data, instead of pressing {, you can press Í to mark the list with an
asterisk. This is called archiving and will temporarily disable the list(s) you
mark. An archived list will not appear on the screen when you press … À
(Edit...). By pressing y 9 you can see that each archived list is preceded
by an asterisk. An archived list retains its data but cannot be used until it is
enabled. To enable an archived list, press y L Á (MemMgnt/Del...) ¶
(List...), arrow to the list you want to enable, and press Í. The asterisk
disappears. Press y5to return to the Home screen.
Recalling a List
Press … À (Edit...) to display the current lists. Next, create a blank, nameless
list by highlighting a list name and pressing y 6. You now have a blank,
nameless list ready to be named. To recall one of the pre-set lists (lists L1
through L6) that you previously deleted, press y d or y e and so on,
and Í. The name is back, but not the data. (You can recall all deleted pre-
set list names by using the Resetting a List procedure.) To recall a previously
named list that was hidden from view by Resetting a List, press y 9,
arrow down to the list you want to recall, and press Í Í. The list
name and data reappear.
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Discovering Algebra Calculator Notes for the Texas Instruments TI-84 Plus ©2014 Kendall Hunt Publishing 3
Note: Entering Lists (continued) TI-84 Plus
On the TI-84 Plus, to recall a list that is archived, you must enable the list first
and then recall it. Using the Resetting a List procedure will enable lists L1
through L6whether they are archived or not.
Moving a List
To move a list, begin by highlighting the name of an empty list. Press y 9,
arrow down to the name of the list you want to move, and press Í Í.
The list data appears. You can now delete or overwrite the data in the original
list, and the data will remain in the new list.