What's the error you get? On 11 March 2012 15:37, bahadýr altan <doaltan at yahoo.co.uk> wrote: > I tried "f" function but it always give errors. Thanks anyway.. > Ozgur -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.haskell.org/pipermail/beginners/attachments/20120311/1d548892/attachment.htm>