load("docdraw.mac");

docdraw2d("figures/draw_implicit",
	grid = true,
	line_type = solid,
	key = "y^2=x^3-2*x+1",
	implicit(y^2=x^3-2*x+1, x, -4,4, y, -4,4),
	line_type = dots,
	key = "x^3+y^3 = 3*x*y^2-x-1",
	implicit(x^3+y^3 = 3*x*y^2-x-1, x,-4,4, y,-4,4),
	title = "Two implicit functions"
)$