Rectgc, polargc, Coordon, coordoff – Texas Instruments TI-83 PLUS User Manual
Page 129
TI-83 Plus
Function Graphing
126
RectGC, PolarGC
RectGC
(rectangular graphing coordinates) displays the cursor location
as rectangular coordinates
X
and
Y
.
PolarGC
(polar graphing coordinates) displays the cursor location as
polar coordinates
R
and
q
.
The
RectGC
/
PolarGC
setting determines which variables are updated
when you plot the graph, move the free-moving cursor, or trace.
•
RectGC
updates
X
and
Y
; if
CoordOn
format is selected,
X
and
Y
are
displayed.
•
PolarGC
updates
X
,
Y
,
R
, and
q
; if
CoordOn
format is selected,
R
and
q
are displayed.
CoordOn, CoordOff
CoordOn
(coordinates on) displays the cursor coordinates at the bottom
of the graph. If
ExprOff
format is selected, the function number is
displayed in the top-right corner.
CoordOff
(coordinates off) does not display the function number or
coordinates.