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12-16 Statistics
8312STAT.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:42 PM Printed: 02/19/01 1:37
PM Page 16 of 38
You can detach (clear) a formula from a list name in any of
four ways.
•
In the stat list editor, move the cursor onto the name of
the list to which a formula is attached. Press
Í
‘
Í
. All list elements remain, but the formula
is detached and the lock symbol disappears.
•
In the stat list editor, move the cursor onto an element
of the list to which a formula is attached. Press
Í
,
edit the element, and then press
Í
. The element
changes, the formula is detached, and the lock symbol
disappears. All other list elements remain.
•
Use
ClrList (page 12
.
20). All elements of one or more
specified lists are cleared, each formula is detached, and
each lock symbol disappears. All list names remain.
•
Use
ClrAllLists (Chapter 18). All elements of all lists in
memory are cleared, all formulas are detached from all
list names, and all lock symbols disappear. All list
names remain.
As described above, one way to detach a formula from a
list name is to edit an element of the list to which the
formula is attached. The TI
-
83 protects against
inadvertently detaching the formula from the list name by
editing an element of the formula-generated list.
Because of the protection feature, you must press
Í
before you can edit an element of a formula-generated list.
The protection feature does not allow you to delete an
element of a list to which a formula is attached. To delete
an element of a list to which a formula is attached, you
must first detach the formula in any of the ways described
above.
Detaching Formulas from List Names
Detaching a
Formula from a
List Name
Editing an
Element of a
Formula-
Generated List