Program: 3D Grapher
Coordinates: Cylindrical
a(u,v,t)= u*sin(v)+v*cos(u)+v*sin(u);R(u,v,y)= 8*tan(u)+cos(v);Z(u,v,t)= 12*u
a(u,v,t)= u*cos(v)+u*sin(v)+v*cos(u);R(u,v,t)= 6*tan(v)+cos(u);Z(u,v,t)= 10*v
Min U: -5; Max U: 4; Steps 240
Min V; -3; Max V: 5; Steps 240
