Formulas - Texas Instruments TI-89 Manual Book

Formulas

Attaching a Formula to a List Name
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Note: To view a formula that is attached to a list name, highlight the name of the list to which a formula
is attached. The list will have an attached formula symbol (é) next to the name.
Example
C
...
Formula
D
Note: The calculator chooses "z" plus the list name as the default formula variable name. It is
recommended that you accept this default naming convention. If you want to reattach this formula the
calculator will only prompt for this default variable. Do not use preassigned system variable names.
Í
TI-89 / TI-92 Plus / Voyage™ 200 PLT Statistics with List Editor App
list1={1,2,3,4,5,6}
List 4:Attach List Formula.
Formula Name
Note: If a formula in quotation marks is displayed on the entry
line, a formula is already attached to the list name. To edit the
formula, press Í, and then edit the formula in the entry
line, or press ¸ to use the Attach List Formula dialog box.
Attach List Formula
list2 List
The é after the list
name indicates that
a formula is
attached.
The calculator
calculates each
element according to
the formula (list1+10)
and stores it to the
target list (list2).
A B
list1+10
Highlight the list name
(list2) to view the list
name and formula in
quotes in the entry line.
List Editor 24