Texas Instruments TI-80 - Page 197

Tables and Reference Information A-13
PRGM_
programname
Executes the program
p
rogramname
.
(I)
†
K
CTRL
á
PRGM_(
â
10
-
10
PROD
list
Returns the product of
elements in
list
.
(F)
2 =
MATH
á
PROD
â
8
-
10
P
8
Rx(
R
,
q
)
Returns the rectangular
coordinate
x
, given the
polar coordinates
R
and
q
.
(F)
2 E
á
P
4
Ry(
â
2
-
15
P
8
Rx(
Rlist
,
q
)
Returns a list of
x
coordinates, given the
R
coordinates in
Rlist
and a
single
q
.
(F)
2 E
á
P
4
Ry(
â
2
-
15
P
8
Rx(
R
,
qlist
)
Returns a list of
x
coordinates, given the
single
R
coordinate and
the
q
coordinates in
qlist
.
(F)
2 E
á
P
4
Ry(
â
2
-
15
P
8
Rx(
Rlist
,
qlist
)
Returns a list of
x
coordinates, given the
R
and
q
coordinates in
Rlist
and
qlist
.
(F)
2 E
á
P
4
Ry(
â
2
-
15
P
8
Ry(
R
,
q
)
Returns rectangular
coordinate
y
, given polar
coordinates
R
and
q
.
(F)
2 E
á
P
4
Ry(
â
2
-
15
P
8
Ry(
Rlist
,
q
)
Returns a list of
y
coordinates, given the
R
coordinates in
Rlist
and a
single
q
coordinate.
(F)
2 E
á
P
4
Ry(
â
2
-
15
P
8
Ry(
R
,
qlist
)
Returns a list of
y
coordinates, given a single
R
coordinate and the
q
coordinates in
qlist.
(F)
2 E
á
P
4
Ry(
â
2
-
15
P
8
Ry(
Rlist
,
qlist
)
Returns a list of
y
coordinates, given the
R
coordinates in
Rlist
and
the
q
coordinates in
qlist.
(F)
2 E
á
P
4
Ry(
â
2
-
15
PT
-
CHANGE(
X
,
Y
)
Toggles the point at (
X
,
Y
).
(I)
2 F
POINTS
á
PT
-
CHANGE(
â
7
-
10
PT
-
OFF(
X
,
Y
)
Erases the point at (
X
,
Y
).
(I)
2 F
POINTS
á
PT
-
OFF(
â
7
-
10
PT
-
ON(
X
,
Y
)
Draws the point at (
X
,
Y
).
(I)
2 F
POINTS
á
PT-ON(
â
7
-
10