GraphingCalculator 3.2; Window 94 24 630 647; PaneDivider 0; FontSizes 14 12 10; BackgroundColor 51 96 104; SliderVariable s; U 0 0.3; 3D.X -1 1; 3D.Y -1 1; 3D.Z -1 1; 3D.Axes 0; 3D.View 0.159272780287171 -0.806905156707627 0.568802469701287 0.0106471663920753 -0.574719864388996 -0.818280951339171 0.987177197522033 0.136386016714957 -0.0829459772214211; 3D.Rotation 1 0 0 0 1 0 0 0 1; Color 6; Expr x=0; Color 5; Expr x=y; Color 6; Expr vector(x,y,z)=t*vector(1,0,0); Color 5; Expr vector(x,y,z)=t*vector(1/sqrt(2),-1/sqrt(2),0); Expr function(f,u,v)=u*cos([pi/2*v]); Color 2; Expr function(g,u,v)=u*sin([pi/2*v]); Color 2; Opacity 0.7; Expr vector(x,y,z)=function(f,u,v)*vector(1,0,0)+function(g,u,v)*vector(1/sqrt(2),-1/sqrt(2),0);