TI -86 用户手册
164
Chapter 11: Lists
11LISTS.DOC TI-86, Chap 11, US English Bob Fedorisko Revised: 02/13/01 2:30 PM Printed: 02/13/01 3:03 PM Page 164 of 16
11LISTS.DOC TI-86, Chap 11, US English Bob Fedorisko Revised: 02/13/01 2:30 PM Printed: 02/13/01 3:03 PM Page 164 of 16
11LISTS.DOC TI-86, Chap 11, US English Bob Fedorisko Revised: 02/13/01 2:30 PM Printed: 02/13/01 3:03 PM Page 164 of 16
� Attach the formula and generate the list.
♦
The TI
-86 calculates each list element.
♦
A lock symbol is displayed next to the list
name to which the formula is attached.
name to which the formula is attached.
b
To edit an attached formula, press b in step 3, and then edit the formula.
Using the List Editor With Attached-Formula Lists
When you edit an element of a list
referenced in an attached formula,
the TI
referenced in an attached formula,
the TI
-86 updates the corresponding
element in the list to which the
formula is attached.
formula is attached.
When you edit or enter elements of a displayed list in any of the three current list editor
columns while an attached-formula list also is displayed, the TI
columns while an attached-formula list also is displayed, the TI
-86 takes slightly longer to
execute the edit or entry. To reduce this effect, move lists with formulas off the current three-
column display, either by scrolling columns to the left or right or by rearranging the list editor.
column display, either by scrolling columns to the left or right or by rearranging the list editor.
Executing and Displaying Attached Formulas
An attached formula must resolve to a list upon execution. Some examples of formulas that
resolve to a list are
resolve to a list are
"5
¹
xStat"
,
"seq(x,x,1,10)"
, and
"{3,5,
L
8,4}
2
à
10"
. Execution of the formula
occurs when you attempt to display the list to which the formula is attached. Also, the
formula is executed whenever a list referenced by the formula is modified — whether on
the home screen, in the list editor, or in a program.
formula is executed whenever a list referenced by the formula is modified — whether on
the home screen, in the list editor, or in a program.
The list editor displays a
formula-lock symbol next to
each list name that has a
formula attached to it.
formula-lock symbol next to
each list name that has a
formula attached to it.