* The number of fractional digits
* @return The formatted number
*/
- private String formatNumber(double number, int digits) {
+ private static String formatNumber(double number, int digits) {
int multiplier = (int) Math.pow(10, digits);
String formattedNumber = String.valueOf((int) (number * multiplier) / (double) multiplier);
if (formattedNumber.indexOf('.') == -1) {