Am 30.07.2013 01:34, schrieb Devyn Collier Johnson: > Typing "101 & 010" or "x = (int(101, 2) & int(010, 2))" only gives errors. What errors? Check out Eric Raymond's essay on asking smart questions, it's a real eye-opener! ;) That said, use "0b" as prefix for binary number literals (0b1000 is eight, for example). Cheers! Uli