private static String formatFractionalPart(String decimal,String[] numArray) {
char[] val = String.valueOf(decimal).toCharArray();
int len = val.length;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < len; i++) {
int n = Integer.valueOf(val[i] + "");
sb.append(numArray[n]);
}
return sb.toString();
}