Texas Instruments TI-82 STATS Manual Book page 74

ANGLE Operations
r
(Radians)
8DMS
R8Pr (,
R8Pq ( ,
P8Rx(,
P8Ry(
2.24 Math, Angle, and Test Operations
(continued)
r
(radians) designates an angle or list of angles as radians,
regardless of the current angle mode setting. In
you can use r to convert radians to degrees.
r
value
mode
Degree
(degree/minute/second) displays answer in DMS format
8DMS
(page 2.23). The mode setting must be
interpreted as degrees, minutes, and seconds.
only at the end of a line.
answer
8DMS
converts rectangular coordinates to polar coordinates and
R8Pr(
returns . converts rectangular coordinates to polar
r R8Pq(
coordinates and returns
x y x y
R8Pr( , ), R8Pq( ,
converts polar coordinates to rectangular coordinates and
P8Rx(
returns . converts polar coordinates to rectangular
x P8Ry(
coordinates and returns
r r
q q
P8Rx( , ), P8Ry( ,
Degree
. x and y can be lists.
q
)
Note: Radian mode is set.
. r and can be lists.
y q
)
Note: Radian mode is set.
mode,
Degree
for answer to be
is valid
8DMS