±

See also: 土 [U+571F CJK UNIFIED IDEOGRAPH-571F], 士 [U+58EB CJK UNIFIED IDEOGRAPH-58EB], +/-, + [U+002B PLUS SIGN], and - [U+002D HYPHEN-MINUS]

± U+00B1, ± PLUS-MINUS SIGN ← ° [U+00B0] Latin-1 Supplement ² → [U+00B2]

Translingual

Alternative forms

• +/-

Description

The plus sign (+) placed above the minus sign (−).

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.

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

3. More or less
   • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, →ISBN, 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

• ∓

See also

• give or take
• plus or minus

See also

plus-minus sign on Wikipedia.Wikipedia