TI-83 Plus Activities 556
1. Press q to display the ZOOM menu.
This menu is a typical TI-83 Plus menu. To
select an item, you can either press the number
or letter next to the item, or you can press †
until the item number or letter is highlighted,
and then press Í.
2. Press 2 to select 2:Zoom In.
The graph is displayed again. The cursor has
changed to indicate that you are using a ZOOM
instruction.
3. With the cursor near the maximum value of the
function, press Í.
The new viewing window is displayed. Both
XmaxNXmin and YmaxNYmin have been
adjusted by factors of 4, the default values for
the zoom factors.