HP 39g+ - Manual (Page 20)

1-10 Getting started
Mode settings
You use the Modes input form to set the modes for HOME.
H I N T Although the numeric setting in Modes affects only
HOME, the angle setting controls HOME and the current
aplet. The angle setting selected in Modes is the angle
setting used in both HOME and current aplet. To further
configure an aplet, you use the
SETUP keys (
and ).
Press MODES to access the HOME MODES input
form.
Setting Options
Angle
Measure Angle values are:
Degrees. 360 degrees in a circle.
Radians. 2
π radians in a circle.
Grads. 400 grads in a circle.
The angle mode you set is the angle
setting used in both HOME and the
current aplet. This is done to ensure
that trigonometric calculations done in
the current aplet and HOME give the
same result.