Sine in degrees
On the unit circle, the sine of an angle is the height of its point. First set degrees: 
, 
, 
, 
, . Press 
, type 60, and press 
. The calculator gives the exact value: . 
gives the decimal: 0.866025403.
On the unit circle, the sine of an angle is the height of its point. First set degrees: , , , , . Press , type 60, and press . The calculator gives the exact value: 23. gives the decimal: 0.866025403.