Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 308

5. Press and hold † to scroll the table until
a negative result for
Notice that the maximum length of
this problem occurs where the sign of
(box's volume) changes from positive to
negative, between
6. Press y -.
Notice that
TblStart
reflect the first line of the table as it was
last displayed. (In step 5, the first value
of displayed in the table is
X
Zooming In on the Table
You can adjust the way a table is displayed to get more information about a defined function. With
smaller values for @
Tbl
screen by pressing y - or by pressing à on the TABLE screen
1. Press y 0.
2. Press } to move the cursor to highlight
.
3
3. Press Ã. The @
Tbl
line.
Ë
Í. The table updates,
4. Enter
1
showing the changes in X in increments
of 0.1.
Notice that the maximum value for
this table view is
410.26
. Therefore, the maximum occurs
X=3.7
where .
3.6<X<3.8
5. With X=3.6 highlighted, press Ã
Í to set @
=0.01.
Tbl
6. Press † and } to scroll the table.
Four equivalent maximum values are
shown, at
410.26 X=3.67
.
3.70
is displayed.
Y1
for
X
Y1
and .
10 11
has changed to to
5
.)
5
, you can zoom in on the table. You can change the values on the TBLSET
displays on the entry
in
Y1
, which occurs at
Ë
01
, , , and
3.68 3.69
Chapter 17: Activities 301