import graph; size(300,0); real f(real x) {return (x != 0.0) ? x * sin(1.0 / x) : 0.0;} pair F(real x) {return (x,f(x));} xaxis("$x$",red); yaxis(red); draw(graph(f,-1.2/pi,1.2/pi,1000)); label("$x\sin\frac{1}{x}$",F(1.1/pi),NW); picture pic; size(pic,50,IgnoreAspect); xaxis(pic,red); yaxis(pic,red); draw(pic,graph(pic,f,-0.1/pi,0.1/pi,1000)); attach(bbox(pic,blue),point(N+0.85W),10SE);