Texas Instruments TI-82 STATS

10 Getting Started
82STAT~1.DOC TI-83 international English Bob Fedorisko Revised: 10/27/05 1:33 PM Printed: 10/27/05 3:30
PM Page 10 of 18
The table feature of the TI-82 STATS displays numeric information about a function.
You can use a table of values from the function defined on page 9 to estimate an
answer to the problem.
1. Press y [
TBLSET] (above p) to display
the
TABLE SETUP menu.
2. Press Í to accept TblStart=0.
3. Press 1 Í to define the table increment
@Tbl=1. Leave Indpnt: Auto and
Depend: Auto so that the table will be
generated automatically.
4. Press y [TABLE] (above s) to display
the table.
Notice that the maximum value for
Y1 (box’s
volume) occurs when
X is about 4, between 3
and 5.
5. Press and hold † to scroll the table until a
negative result for
Y1 is displayed.
Notice that the maximum length of X for this
p
roblem occurs where the sign of Y1 (box’s
volume) changes from positive to negative,
between
10 and 11.
6. Press y [TBLSET].
Notice that TblStart has changed to 6 to reflect
the first line of the table as it was last
displayed. (In step 5, the first value of
X
displayed in the table is 6.)
Defining a Table of Values: Box with Lid