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Texas Instruments TI-85 Setup Manual page 21

Graphing calculators part b
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move down one location and a 0 is filled in at the insertion point. Type the data value to
be inserted over the 0 and press
¥
To delete a single data value, move the cursor over the value you wish to delete, and
press
. The values in the list below the deleted value move up one location.
DEL
1.4.3 DELETING OLD DATA
first delete any previously-entered data. There are several ways to do this, and the most
convenient method is illustrated below.
TI-85 Whenever you enter new data in your calculator, you should first delete any
previously-entered data using one of the following methods:
¥ Whenever you enter data from the home screen, previously-entered data is auto-
matically replaced with new data. Thus, {1, 2, 3}
¥ When you enter the list editor and there is ÒoldÓ data in the list, position the cursor
over the e
value and repeatedly press
1
TI-86 Access the data lists with
(You probably have different values in your lists if
you are deleting ÒoldÓ data.)
Use
to move the cursor over the name L
Press
CLEAR
Use
to move the cursor over the name L
Press
CLEAR
Repeat this procedure to clear data from any of the
other lists you want to use.
1.4.4 ALIGNING DATA
Suppose you want L
of actual years. That is, you want to align the x-data. In this example, you are to shift a l l
the data values 1992 units to the left of where they currently are located.
Return to the home screen.
TI-85 Replace the L
by pressing
ALPHA
1
. L
ENTER
1
Copyright © Houghton Mifflin Company. All rights reserved.
ENTER
Whenever you enter new data in your calculator, you should
STAT
.
ENTER
.
ENTER
LetÕs now return to the data entered in Section 1.4.1 of this Guide.
to contain the number of years since a certain year (here, 1992) instead
1
- 1992 values
values with L
1
1
L1
1992
STO
now contains the aligned x-values.
. The 0 is replaced with the new value.
L
STO
(
) until all data is deleted.
F2
DEL
I
(
) .
1
EDIT
.
1
.
2
L
ALPHA
Chapter 1
replaces the ÒoldÓ L
.
2
2
B-21

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