Statistics 12-15
8312STAT.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:42 PM Printed: 02/19/01 1:37
PM Page 15 of 38
When you edit an element of a list referenced in an
attached formula, the TI-83 updates the corresponding
element in the list to which the formula is attached
(Chapter 11).
When a list with a formula attached is displayed in the stat
list editor and you edit or enter elements of another
displayed list, then the TI-83 takes slightly longer to accept
each edit or entry than when no lists with formulas
attached are in view.
Tip: To speed editing time, scroll horizontally until no lists with
formulas are displayed, or rearrange the stat list editor so that no lists
with formulas are displayed.
On the home screen, you can attach to a list a formula that
references another list with dimension 0 (Chapter 11).
However, you cannot display the formula-generated list in
the stat list editor or on the home screen until you enter at
least one element to the list that the formula references.
All elements of a list referenced by an attached formula
must be valid for the attached formula. For example, if
Real number mode is set and the attached formula is
log(L1), then each element of L1 must be greater than 0,
since the logarithm of a negative number returns a
complex result.
Tip: If an error menu is returned when you attempt to display a
formula-generated list in the stat list editor, you can select 2:Goto,
write down the formula that is attached to the list, and then press
‘ Í to detach (clear) the formula. You then can use the stat
list editor to find the source of the error. After making the appropriate
changes, you can reattach the formula to a list.
If you do not want to clear the formula, you can select 1:Quit, display
the referenced list on the home screen, and find and edit the source of
the error. To edit an element of a list on the home screen, store the
new value to listname(element#) (Chapter 11).
Using the Stat
List Editor When
Formula-
Generated Lists
Are Displayed
Handling Errors
Resulting from
Attached
Formulas