' FB 1.05.0 Win64 ' FB does not natively support arbitrarily large integers though support can be added ' by using an external library such as GMP. For now we will just use an unsigned integer (32bit). Print "Press Ctrl + C to stop the program at any time" Dim i As UInteger = 1 Do Print i i += 1 Loop Until i = 0 ' will wrap back to 0 when it reaches 4,294,967,296 Sleep