All published worksheets from http://sagenb.org
sage: x = var('x') sage: p1 = parametric_plot((x,x^(1/2)),(x,0.1,2*pi),rgbcolor=hue(0.2)) sage: p2 = parametric_plot((x,x^(1/3)),(x,0.1,2*pi),rgbcolor=hue(0.4)) sage: p3 = parametric_plot((x,ln(x)),(x,0.1,2*pi),rgbcolor=hue(0.6)) sage: show(p1+p2+p3)
