> plot(exp(x)/4*x, x=0..infinity);

> plot([3,(3*x^2+5*x+7)/(x^2+2)], x=0..100, y=0..5.5, color=[black, red], style=[point, line]);

> plot(sin(3*x)/2*x, x=-1..1);

> plot((5*x-5)/(x^2-2*x+1), x=0..2, y=-200..200);

>