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Tables and Reference Information A-21
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 21 of 58
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
Pxl
.
Change(
row
,
column
)
Reverses pixel at
(
row
,
column
); 0
row
62
and 0
column
94.
y
[
DRAW
ä
POINTS
6:Pxl
.
Change(
8
-
16
Pxl
.
Off(
row
,
column
)
Erases pixel at (
row
,
column
);
0
row
62 and
0
column
94.
y
[
DRAW
]
POINTS
5:Pxl
.
Off(
8
-
16
Pxl
.
On(
row
,
column
)
Draws pixel at (
row
,
column
);
0
row
62 and
0
column
94.
y
[
DRAW
]
POINTS
4:Pxl
.
On(
8
-
16
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
[
DRAW
]
POINTS
7:pxl
.
Test(
8
-
16
P
4
Rx(
r
,
q
)
Returns
X
, given polar
coordinates
r
and
q
or a list of
polar coordinates.
y
[
ANGLE
]
ANGLE
7:P
4
Rx(
2
-
24
P
4
Ry(
r
,
q
)
Returns
Y
, given polar
coordinates
r
and
q
or a list of
polar coordinates.
y
[
ANGLE
]
ANGLE
8:P
4
Ry(
2
-
24
QuadReg
[
Xlistname
,
Ylistname
,
freqlist
,
regequ
]
Fits a quadratic regression
model to
Xlistname
and
Ylistname
with frequency
f
reqlist
, and stores the
regression equation to
regequ
.
…
CALC
5:QuadReg
12
-
25
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
12
-
26
Radian
Sets radian angle mode.
†
z
Radian
1
-
11
rand
[
(
numtrials
)
] Returns a random number
between 0 and 1 for a
specified number of trials
numtrials
.
PRB
1:rand
2
-
20
randBin(
numtrials
,
prob
[
,
numsimulations
]
)
Generates and displays a
random real number from a
specified Binomial distribution.
PRB
7:randBin(
2
-
22