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12-14 Statistics
8312STAT.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:42 PM Printed: 02/19/01 1:37
PM Page 14 of 38
You can attach a formula to a list name in the stat list
editor, and then display and edit the calculated list
elements. When executed, the attached formula must
resolve to a list. Chapter 11 describes in detail the concept
of attaching formulas to list names.
To attach a formula to a list name that is stored in the stat
list editor, follow these steps.
1. Press
…
Í
to display the stat list editor.
2. Press
}
to move the cursor to the top line.
3. Press
|
or
~
, if necessary, to move the cursor onto the
list name to which you want to attach the formula.
Note:
If a formula in quotation marks is displayed on the entry line,
then a formula is already attached to the list name. To edit the
formula, press
Í
, and then edit the formula.
4. Press
ƒ
[
ã
], enter the formula, and press
ƒ
[
ã
].
Note:
If you do not use quotation marks, the TI
-
83 calculates and
displays the same initial list of answers, but does not attach the
formula for future calculations.
Note:
Any user-created list name referenced in a formula must be
preceded by an
Ù
symbol (Chapter 11).
5. Press
Í
. The TI
-
83 calculates each list element and
stores it to the list name to which the formula is
attached. A lock symbol is displayed in the stat list
editor, next to the list name to which the formula is
attached.
Attaching Formulas to List Names
Attaching a
Formula to a List
Name in Stat List
Editor
lock symbol