±

± englanniksi

1. The sign, indicating the tolerance or statistical of error of a quantity.

2. Either value as a result of addition or subtraction.

ax^2+bx+c=0\rArr x=\frac{-b\plusmn\sqrt{b^2-4ac{2a}.

3. or less|More or less

4. (RQ:Schuster Hepaticae)

5. Advantage for white.