On Thu, Feb 12, 2009 at 2:55 PM, Jonathan Stowe <j...@integration-house.com> wrote: > 2009/2/12 Dirk Koopman <d...@tobit.co.uk>: >> Just been studying a CPAN module and I see a load of references to !0. Er, >> what is that? Googling most unhelpful. >> > > > > It's "Genius" for '1' :-) Please to be clubbing the perpatrator to > death with a copy of their own wit and eurdition.
Although by rights it should be -1 on a twos complement machine. (For those who remember ones complement based numbers, or even know they existed). --James