Matrix Rotation: Asks for rotation (radians or degrees depends on your MODE setting). It then calculates [ cos T -sin T] [ sin T cos T] where T= magnitude of rotation, and stores it in [A]. PGRM:MATRIX ClrHome 2 -> Arow 2 -> Acol Disp "ENTER ROTATION" Input R cos R -> [A](1,1) -sin R -> [A](1,2) sin R -> [A](2,1) cos R -> [A](2,2) Disp [A]