On 7/12/07, Doug McIlroy <doug at cs.dartmouth.edu> wrote: > http://www.cs.dartmouth.edu/~doug/powser.html Very nice. I would only recommend that you include: scale k f = map (k*) f and have (*) use it. Thanks for your contribution! -- Taral <taralx at gmail.com> "Please let me know if there's any further trouble I can give you." -- Unknown