±

Character	±
Unicode name	PLUS-MINUS SIGN
Latin-1 Supplement	U+00B1

See also 土, and 士

Translingual

Alternative forms

• +/-

Symbol

±

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.

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

3. More or less
   • 1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, page 4

     (b) sporophyte with foot reduced, the entire sporophyte enveloped by the calyptra, which is ± stipitate at the base.

4. (chess) Advantage for white.

Antonyms

• ∓

Related terms

• HTML: ±
• TeX: \plusmn

See also

plus-minus sign on Wikipedia.Wikipedia:plus-minus sign