This application will generate a sequence of 2, 3 or 4 digit numbers that cannot be reasonably predicted. Tap a digit to turn it off or on. Any noticeable predictability is nothing more than a random chance or coincidence. No individual digit can be predicted from knowledge of any other digit or group of digits. The minimum output value is "0000" and the maximum output value is "9999". Optionally, the minimum value can be be increased to "1000" by a program setting. The random set can be fur