onchange radius (js action)
$('#P16_DIAMETER').val($v('P16_RADIUS')*2).change();

onchange diameter (js action)
$('#P16_CIRCUMFERENCE').val($v('P16_RADIUS')*2*3.141592).change();

onchange radius (js action)
$('#P16_SURFACE_AREA').val($v('P16_RADIUS')^2*3.141592).change();

onchange radius (plsql action,get/set)
:P16_SPHERE_AREA := POWER(:P16_RADIUS,2) * 4 * 3.141592;

onchange sphere area (plsql action,get/set)
:P16_SPHERE_VOLUME := POWER(:P16_RADIUS,3) * 4/3 * 3.141592;
(js action)
// show gritter notification - on doubleClick of sphere volume
apex.event.trigger($("#P16_SPHERE_VOLUME"),"dblclick","");
(Refresh)
Region: Session state