<APPLET CODE="GDView0.class" WIDTH=600 HEIGHT=540>
<param name=choice_ddl value="ddlAB">
<param name=precommand0 value="set_ddl_mult ddlAB 2 1">
<param name=hani0 value="ddlA 0.4 4 0.2">
<param name=hani1 value="ddlB 0.4 4 0.2">
<param name=command0 value="read syoki">
<param name=syoki value="
   set O 0 0;color 255 255 255;fcircle O 20;
   set c 0;set d 6.2832/500;
   color 0 0 0;read kaku 500;
">
<param name=kaku value="
   set e cos(c); set f sin(e);set g e+f;
   set x ae; set y bg; set A x y; line AA;
   set c c+d;
">
</APPLET>