Texas Instruments TI-83

Math, Angle, and Test Operations 2-23
To display the
ANGLE
menu, press
y
[
ANGLE
]. The
ANGLE
menu displays angle indicators and instructions. The
Radian/Degree mode setting affects the TI
-
83’s
interpretation of
ANGLE
menu entries.
ANGLE
1:
¡
Degree notation
2: '
DMS minute notation
3:
r
Radian notation
4:
8
DMS
Displays as degree/minute/second
5: R
8
Pr(
Returns
r
, given
X
and
Y
6: R
8
P
q
(
Returns
q
, given
X
and
Y
7: P
8
Rx(
Returns
x
, given
R
and
q
8: P
8
Ry(
Returns
y
, given
R
and
q
DMS (degrees/minutes/seconds) entry notation comprises
the degree symbol (
¡
), the minute symbol ('), and the
second symbol (
").
degrees
must be a real number;
minutes
and
seconds
must be real numbers
‚
0.
degrees
¡
minutes
'
seconds
"
For example, enter for 30 degrees, 1 minute, 23 seconds. If
the angle mode is not set to
Degree, you must use
¡
so that
the TI
-
83 can interpret the argument as degrees, minutes,
and seconds.
Degree mode Radian mode
¡
(degree) designates an angle or list of angles as degrees,
regardless of the current angle mode setting. In
Radian
mode, you can use
¡
to convert degrees to radians.
value
¡
{
value1
,
value2
,
value3
,
value4
,...,
value n
}
¡
¡
also designates
degrees
(D) in DMS format.
' (minutes) designates
minutes
(M) in DMS format.
" (seconds) designates
seconds
(S) in DMS format.
Note:
"
is not on the
ANGLE
menu. To enter
"
, press
ƒ
[
ã
].
ANGLE Operations
ANGLE Menu
DMS Entry
Notation
¡
(Degree)