Texas Instruments TI-84 - Manual (Page 602)

Appendix A: Functions and Instructions 599
Pxl-Off(row,column) Erases pixel at
(row,column); 0

row
 62
and 0 
column
 94.
y <
POINTS
5:Pxl-Off(
Pxl-On(row,column) Draws pixel at (row,column);
0

row
 62 and
0 
column
 94.
y <
POINTS
4:Pxl-On(
pxl-Test(row,column) Returns 1 if pixel (row,
column) is on, 0 if it is off;
0

row
 62 and
0 
column
 94.
y <
POINTS
7:pxl-Test(
P 4 Rx(r, q ) Returns X, given polar
coordinates r and
q or a list
of polar coordinates.
y ;
ANGLE
7:P
4 Rx(
P
4
Ry(r,
q
) Returns Y, given polar
coordinates r and
q or a list
of polar coordinates.
y ;
ANGLE
8:P
4 Ry(
QuadReg [Xlistname,
Ylistname,freqlist,
regequ] Fits a quadratic regression
model to Xlistname and
Ylistname with frequency
freqlist, and stores the
regression equation to
regequ.
…
CALC
5:QuadReg
Function or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item