Op 1-3-2011 18:00, Николай Шатохин schreef: > How can I work with huge numbers (1024-bit powder of 1024-bit number) > that needs A4 paper to write it? .NET has special librart to work with > it. What's about Qt4? Qt has no facilities for that, but I'm sure there are generic c++ libraries that can handle that. André