<APPLET CODE="GDView0.class" WIDTH=560 HEIGHT=540>
<param name=command0 value="read honbun">
<param name=honbun value="
   set O 0 0;  color 255 255 255; fcircle O 20;
   color 128 128 255; set t -4; read sub 20;
">
<param name=sub value="
   set y (sin(3.14159 t/2)+2)/3;
   set z 1-(sin(3.14159 t/2)+2)/3.5;
   set P t 0; set Q t y; daen PQ z;
   set t t+0.5;
"></APPLET>