public String memToString(Number value,int numDecimals){
  String fmt="%." + numDecimals + "d";
  return physToPhysFmtString(memToPhys(value.longValue()),fmt);
}

public String memToString ( Number value , int numDecimals ) { String fmt = "%." + numDecimals + "d" ; return physToPhysFmtString ( memToPhys ( value . longValue ( ) ) , fmt ) ; }
convert measurement item from storage format to physical value
