public class math_utils {

    private static String[] k = new String[] {"", "k", "m", "b", "t", "B", "T", "A", "C", "D", "E", "F"};

    public static String parsed(double d) {

        int i = 0;
        while(d>=1000) {
            i++;
            d/=1000;
        }
        char c = 0;
        String fd = new DecimalFormat("#0.00").format(d);
        if(fd.charAt(2) == c) {
            fd = new DecimalFormat("#0").format(d);
        }
        return fd+k[i];
    }

}