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Date: Sat, 16 May 1998 08:11:51 -1000
From: sle
what a great site!
maybe you could help answer a question.
we are trying to determine the correct result of the algebraic sum of an empty set.
could you help point to a definition when :sum({}) should be Not A Number and when it should be 0?
thanks,
sle
Copyright © 1996-2009 Alexander Bogomolny
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