The default units for angles are decimal degrees. Enter angles using the following format:
<degrees> d <minutes> ' <seconds> ”
You must enter 0d when entering an angle that is less than 1 degree (minutes and seconds only). You can omit the minutes or seconds if they are zero.
Enter a number followed by r to enter angles in radians. Enter a number followed by g to enter angles in grads.
The following examples show ways of entering angles:
5d10'20"
0d10'20"
124.6r
14g
Angles entered in any format are converted to decimal degrees.
Pi radians is equal to 180 degrees, and 100 grads is equal to 90 degrees.