Texas Instruments TI-84 Plus - Degree; Radians

Chapter 2: Math, Angle, and Test Operations 85
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-84 Plus can interpret the argument as degrees,
minutes, and seconds.
Degree
DegreeDegree
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].
Radians
RadiansRadians
Radians
r
(radians) designates an angle or list of angles as radians, regardless of the current
angle mode setting. In Degree mode, you can use
r
to convert radians to degrees.
Degree mode Radian mode