Casio ClassPad 300 PLUS - Manual (Page 296)

20050501
3D Graph Application Status Bar
The status bar at the bottom of the 3D Graph application shows the current angle unit setting
and [Complex Format] setting (page 14-3-2).
Rad
Deg
Cplx
Real
The angle unit setting is radians.
The angle unit setting is degrees.
The Complex (complex number calculation) mode is selected.
The Real (real number calculation) mode is selected.
If you see this: It means this:
5-1-4
3D Graph Application Overview
Angle unit Real mode