I disagree. It suffices to include a rotation operator (or bivectors in general, if you want to do it in N>2). The 'full' framework of GA is, imo, foolish, beca

I disagree. It suffices to include a rotation operator (or bivectors in general, if you want to do it in N>2). The 'full' framework of GA is, imo, foolish, because the geometric product doesn't really have a geometric interpretation.