== Beschreibung, Quelle == == Lizenz == Asymptote source code: import graph; import settings; outformat="pdf"; size(300,300); real f(real x) {return 1; } draw(graph(f,-2,2),red+2); label(scale(1.3)*"$y=const$",(1,1.2),red); xaxis("$x$"); yaxis("$y$",ymin=0,ymax=2); ...