Code Golf: Numeric equivalent of an Excel column name

Answer 1

Haskell, 50 51 56 chars

main=interact$show.foldl(\x->(26*x-64+).fromEnum)0

Usage:

~:166$ echo -n "ROFL" | ./a.out
326676
~:167$ echo -n "WTF" | ./a.out
16074