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TI-83 Plus Parametric Graphing 164
To move five plotted points at a time on a function, press
y
|
or
y
~
. If you move the cursor beyond the top or bottom of the screen,
the coordinate values at the bottom of the screen continue to change
appropriately.
Quick Zoom is available in
Par
graphing; panning is not (Chapter 3).
Moving the Trace Cursor to Any Valid T Value
To move the trace cursor to any valid
T
value on the current function,
enter the number. When you enter the first digit, a
T=
prompt and the
number you entered are displayed in the bottom-left corner of the
screen. You can enter an expression at the
T=
prompt. The value must
be valid for the current viewing window. When you have completed the
entry, press
Í
to move the cursor.