load(draw);

wxdraw2d(explicit(x^2-3*x+2, x, -3, 3))$

	wxdraw2d(color=blue, explicit(x^2-3*x+2, x, -3, 3),
color=red, explicit(-z^2+4*z, z, -2, 4))$

wxdraw2d(color=blue, explicit(x^2-3*x+2, x, -3, 3),
color=red, explicit(-z^2+4*z, z, -2, 4),
xrange=[-2, 2])$

	wxdraw2d(implicit(x^2-y^2=-1,x,-5,5,y,-5,5))$

wxdraw2d(parametric(sin(t),cos(t),t,-4,4),xrange=[-1.6,1.6],yrange=[-1.1,1.1])$

wxdraw2d(polar(2*p,p,0,10),xrange=[-26,20],yrange=[-14,20])$