hexadecimal from byte?

Reading the documentation, I have found that I can convert an
hexadecimal number to integer using the function "stringtointeger". Is
there a function to do the conversion back? If not, perhaps somebody
has already written such a thing?

Thanks,
Andrea

-- 
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Andrea N. Hahmann, Ph.D.
Research Applications Laboratory
Natl. Center for Atmospheric Research      Phone: 1-303-497-8383
PO BOX 3000                                Fax:   1-303-497-8401
Boulder, CO 80301                          hahmann_at_ucar.edu
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