Texas Instruments TI-84 Plus Calculator User Manual


 
134 Appendix A: Tables and Reference Information
PwrReg [Xlistname,
Ylistname,freqlist,
regequ]
Fits a power regression
model to Xlistname and
Ylistname with frequency
freqlist, and stores the
regression equation to
regequ.
CALC
A:PwrReg
Pxl-Change(
row,column) Reverses pixel at
(row,column); 0 row 62
and 0 column 94.
y <
POINTS
6:Pxl-Change(
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
4Rx(r,q) Returns X, given polar
coordinates r and q or a
list of polar coordinates.
y ;
ANGLE
7:P4Rx(
P
4Ry(r,q) Returns Y, given polar
coordinates r and q or a
list of polar coordinates.
y ;
ANGLE
8:P4Ry(
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
QuartReg
[Xlistname,
Ylistname,freqlist,
regequ]
Fits a quartic regression
model to Xlistname and
Ylistname with frequency
freqlist, and stores the
regression equation to
regequ.
CALC
7:QuartReg
Function or Instruction/
Arguments
Result
Key or Keys/Menu
or Screen/Item