//
//Transrate Jurian(Julius) date to normal date.
//

//Syntax
  idate=dater(judate);
//return is number type. 
//argument is number of Jurian date.

//Remarks
//Transrate date to Jurian date
  date=dater(jdate);
//(Caution) argument is string type. (ex "2009/10/20")

//Example 1
get bond@;

//calculate date of 200 days after expire date.
jd=undate(exedate);
date200=dater(jd+200);