TI-89 / TI-92 Plus / Voyage™ 200 PLT Statistics with List Editor App List Editor 25
Formulas
(Continued)
Using Formula-Generated Lists
When you edit an element of a list referenced in an attached formula, the TI-89 /
TI-92 Plus / Voyage™ 200 PLT updates the corresponding element in the list to which
the formula is attached.
1. Highlight the first element (
1) in the list (list1).
2. Enter the new value (
10) for the element and press ¸.
&
When a list with an attached formula is displayed and you edit or enter elements of
another displayed list, the TI-89 / TI-92 Plus / Voyage 200 PLT
takes slightly longer to
accept each edit or entry. The TI-89 / TI-92 Plus / Voyage 200 PLT must recalculate the
elements with each addition or edit.
Tip: This lag time in editing entries can be avoided by pressing ¥ Í and setting Auto-calculate to NO.
Using a Formula without Attaching It to a List
You can use a formula or expression to create or edit a list without attaching it to the
list. The resulting list is simply a function of an existing list.
To use a formula or expression to create or edit a list:
1. Highlight the target list name (list2) where you want place the new list elements and
press ¸. The list (
list2) is highlighted in the entry line.
2. Enter the expression (list1+10) containing the source list and the calculation and
press ¸. The calculated values are pasted into the target list (
list2).
Note: The target list will not have the attach symbol (é), and the
formula (or expression) used to calculate the target list will not be
in quotation marks.
Note: When you use a formula (or expression) to generate or update a list, the resulting calculations
must resolve to a list.
Si
nce the formula (list1+10) attached
to list2 is based on list1, when
element 1 in list1 changes, element
1 in list2 also changes.
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