Texas Instruments TI-83 PLUS - Manual (Page 552)

TI-83 Plus Activities 549
Box with Lid
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 , you can zoom in
on the table.
1. Press 3
Í to set TblStart . Press Л
1
Н
to set @ Tbl .
This adjusts the table setup to get a more
accurate estimate of
X for maximum volume Y 1
.
2. Press y 0 .
3. Press † and } to scroll the table.
Notice that the maximum value for Y 1
is 410.26 ,
which occurs at X = 3.7 . Therefore, the maximum
occurs where 3.6 < X < 3.8 .