Plus Sign With Subscript Two
Part of Math Symbols
Plus Sign With Subscript Two 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+2A27
About this symbol
⨧, a plus with a small 2, is nim-addition, adding numbers in binary without carrying. Charles Bouton showed in 1901 that the winning strategy in Nim, the game of taking objects from heaps, depends on it.
Unicode facts
- Official name
- PLUS SIGN WITH SUBSCRIPT TWO
- Also called
- Nim-addition
- Type
- Maths symbol
- Unicode block
- Supplemental Mathematical Operators
- Unicode group
- Plus and minus sign operators
- Added in
- Unicode 3.2 (2002)
Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.