Chapter 2: Math, Angle, and Test Operations
60
Entry Notation
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.
Note
: DMS entry notation does not support fractions in minutes or seconds.
degrees
¡
minutes
'
seconds
"
For example, we know that 30 degrees is the same as
p
/6 radians, and we can verify that by
looking at the values in degree and radian modes. If the angle mode is not set to Degree, you must
use
¡
so that the TI-84 Plus can interpret the argument as degrees, minutes, and seconds.
Degree
¡
(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
]
.
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
Degree mode
Radian mode
ANGLE
