On Mon, 19 Apr 2010 21:15:41 +0100, "David Biddulph" <groups [at]
biddulph.org.uk wrote:

Note that it needs to be double unary MINUS. Double unary PLUS wouldn't
work.
--

As in the example I gave.

And I don't believe that Excel ever interprets (or uses) the '+' sign as a
unary operator.
--ron