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TI-83 Plus Polar Graphing 174
screen, the coordinate values at the bottom of the screen continue to
change appropriately.
Quick Zoom is available in
Pol
graphing mode; panning is not (Chapter 3).
Moving the Trace Cursor to Any Valid
q
Value
To move the trace cursor to any valid
q
value on the current function,
enter the number. When you enter the first digit, a
q
=
prompt and the
number you entered are displayed in the bottom-left corner of the
screen. You can enter an expression at the
q
=
prompt. The value must
be valid for the current viewing window. When you complete the entry,
press
Í
to move the cursor.
ZOOM
ZOOM
operations in
Pol
graphing work the same as in
Func
graphing.
Only the
X
(
Xmin
,
Xmax
, and
Xscl
) and
Y
(
Ymin
,
Ymax
, and
Yscl
) window
variables are affected.
The
q
window variables (
q
min
,
q
max
, and
q
step
) are not affected, except
when you select
ZStandard
. The
VARS ZOOM
secondary menu
ZT/Z
q
items
4:Z
q
min
,
5:Z
q
max
, and
6:Z
q
step
are zoom memory variables for
Pol
graphing.
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