@@ -0,0 +1,387 @@
+package crypt.maths;%0Aimport java.util.*;%0A%0Apublic class Modulo %7B%0A%09public static String calculate(String n_str, String d_str) %7B%0A%09%09int n_int;%0A%09%09int d_int;%0A%0A%09%09try %7B%0A%09%09%09d_int = Integer.parseInt(d_str);%0A%09%09%09n_int = Integer.parseInt(n_str);%0A%09%09%7D catch (NumberFormatException e) %7B%0A%09%09%09//System.out.println(%22Not a valid number.%22);%0A%09%09%09return %22%22;%0A%09%09%7D%0A%0A%09%09return (Integer.toString(n_int %25 d_int));%0A%09%7D%0A%7D%0A

Add modulo class in crypt/maths (#82)