TI-84 Plus and Silver Edition Manual

52 Activities
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 Ë 1
Í to set @
Tbl.
This adjusts the table setup to get a more
accurate estimate of X for maximum
volume Y1.
2. Press y 0.
3. Press † and } to scroll the table.
Notice that the maximum value for
Y1 is
410.26, which occurs at X=3.7. Therefore,
the maximum occurs where 3.6<X<3.8.
4. Press y -. Press 3 Ë 6 Í to set
TblStart. Press Ë 01 Í to set @Tbl.
5. Press y 0, and then press † and } to
scroll the table.
Four equivalent maximum values are
shown, 410.26 at X=3.67, 3.68, 3.69, and
3.70.
6. Press † or } to move the cursor to
3.67.
Press ~ to move the cursor into the Y1
column.
The value of Y1 at X=3.67 is displayed on
the bottom line in full precision as
410.261226.