I guess I dont have access to the brain teaser forum. This one kinda confused me: Using “Only Four” ZEROS (0) and any Mathematical Operations/Symbols, to obtain the number 24. Answer is (0! + 0! + 0! + 0!)! = 24 I know im a bit rusty with hex/binary arithmatic but the answer i get with (0! + 0! + 0! + 0!)! is 3 assuming 8 bits: 0! = 0xFF and assuming no carry over: 0xFF + 0xFF = 0xFE so (0xFF + 0xFF + 0xFF + 0xFF) = 0xFC !0xFC = 3 Right? Where did I go wrong?