1prologues:=3; 2outputformat:="eps"; 3outputtemplate:="%j.%o"; 4beginfig(1); 5 u=1cm; 6 drawarrow (-.5u,0)--(4u,0); 7 drawarrow (0,-.5u)--(0,2u); 8 pickup pencircle scaled 1pt; 9 draw (0,0){up} 10 for i=1 upto 8: ..(i/2,sqrt(i/2))*u endfor; 11 label.lrt(btex 関数$y=\sqrt{x}$ etex, (3,sqrt(3))*u); 12 label.rt(btex $x$軸 etex, (4,0)*u); 13 label.top(btex $y$軸 etex, (0,2)*u); 14 label.llft(btex 原点$O$ etex, (0,0)); 15endfig; 16end. 17