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How to reverse the sign of the value at the top of the stack?


From: KARR, DAVID
Subject: How to reverse the sign of the value at the top of the stack?
Date: Mon, 1 Jun 2015 15:45:29 +0000

I'm using Emacs 24.5.1 in Cygwin.

In Calc, if I have a number at the top of the stack that I've just computed, 
what is the easiest way to change the sign of that value?  I'd be amazed if 
there isn't a simple way to do that, but I can't find it after scanning the 
info.



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