±

• +/-

±

1. (sciences) The plus-minus sign, indicating the tolerance or statistical margin of error of a quantity.
2. (mathematics) Either value as a result of addition or subtraction.

   ${\displaystyle ax^{2}+bx+c=0\Rightarrow x={\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}}$.

3. More or less
   • Template:RQ: Schuster Hepaticae
4. (chess) Advantage for white.

• ∓

• give or take
• HTML: ± and ±
• TeX: \plusmn

plus-minus sign on Wikipedia.Wikipedia