On Sat, Nov 5, 2011 at 11:53 AM, Kip Murray <k...@math.uh.edu> wrote:
> Correction
>
>    hex =: [: , ' ' ,.~ '0123456789abcdef' {~ 16 16 #: ]`,:@.(1=#)

you could replace ]`,:@.(1=#) with ,:^:(1=#)
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