Manual talk:PerpendicularVector Command
From GeoGebra Manual
Perpendicular or orthogonal?
The command PerpendicularVector is listed in "Vector&Matrix" category (ggb. v3.9.165.0.m) as OrthogonalVector, while the quick help under the command list shows the syntax for PerpendicularVector.
What's the name of this command? ;) --Mathmum 08:14, 15 February 2011 (UTC)