Casio CLASSPAD 330 3.04 - Manual (Page 348)

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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 1-9-5).
Rad
Deg
Gra
Real
The angle unit setting is radians.
The angle unit setting is degrees.
The angle unit setting is grads.
Cplx 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