Rectgc, polargc, Coordon, coordoff, Gridoff, gridon – Texas Instruments TI-84 User Manual

Page 112

Chapter 3: Function Graphing

109

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

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.

GridOff, GridOn

Grid points cover the viewing window in rows that correspond to the tick marks on each
axis.

GridOff

does not display grid points.