 Many programs exist on the internet that can generate six numbers and allow one to manipulate them with arithmetic operations.Because of the simple nature of the game, it is easy to program krypto on most scientific calculators.Versions of Krypto that only use a smaller range of numbers (such as 1-10) are better suited for beginners, while conversely, one could play a game of Krypto with a larger range of numbers that would be more difficult.