private static char[] c = new char[]{'k', 'm', 'b', 't'};

	/**
	 * Recursive implementation, invokes itself for each factor of a thousand, increasing the class on each invokation.
	 * @param n the number to format
	 * @param iteration in fact this is the class from the array c
	 * @return a String representing the number n formatted in a cool looking way.
	 */
	private static String coolFormat(double n, int iteration) {
	    double d = ((long) n / 100) / 10.0;
	    boolean isRound = (d * 10) %10 == 0;//true if the decimal part is equal to 0 (then it's trimmed anyway)
	    String return1 = (d < 1000? //this determines the class, i.e. 'k', 'm' etc
		        ((d > 99.9 || isRound || (!isRound && d > 9.99)? //this decides whether to trim the decimals
		   	         (int) d * 10 / 10 : d + "" // (int) d * 10 / 10 drops the decimal
		   	         ) + "" + c[iteration])
		   	        : coolFormat(d, iteration+1));
	    if(return1.startsWith("0")){
	    	return (int) n+"gp";
	    }
	    return return1;

	}