Minus-or-plus Sign
Part of Math Symbols
Minus-or-plus Sign has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- ∓
- Unicode
- U+2213
About this symbol
The minus-or-plus sign is the mirror of ±. It appears with ± in the same formula to say the signs go in opposite directions: in cos(a ± b) = cos a cos b ∓ sin a sin b, the second sign is minus when the first is plus.
Unicode facts
- Official name
- MINUS-OR-PLUS SIGN
- Type
- Maths symbol
- Unicode block
- Mathematical Operators
- Unicode group
- Operators
- Added in
- Unicode 1.1 (1993)
Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.