To unearth what you need, put a minus sign in front of any terms you want excluded from your search.
It was like a bracket preceded by a minus sign, which affected all that was within the bracket.
The minus sign on the right arises from a heating effect having been taken here as the normal case.
The consolations of spinsterhood are mainly negative, but the minus sign has its proper place in the personal equation.
When the temperature has fallen, put a minus sign (-) before the number of degrees of fall.
In column 10 where the dates are given, a minus sign indicates the past and a plus sign the future.
For weeks after that, though, I carried four hundred on the books with a minus sign in front.
The minus sign prefixed to a reading means that the variable was placed on the side of the fixed line.
It is like commencing with the minus sign, to learn the principle of positive mathematics.