⊚

Math Operator 151

Unicode
U+229A
Category
Math
HTML Entity
⊚
CSS
\229A
The ⊚ (Circled Ring Operator) is a mathematical symbol depicting a small ring centered inside a larger circle. Found in Unicode's Mathematical Operators block, it is primarily used to represent custom binary operations or abstract algebraic structures. Outside of strict mathematics, its target-like appearance sometimes leads to its use in typography or UI design to represent a focal point, bullseye, or concentric concept.

How to Type

Windows
Alt+8858 (on numeric keypad) or type 229A then Alt+X in Microsoft Word
macOS
Control+Command+Space then search "circled ring"
Linux
Ctrl+Shift+U then 229A
HTML
⊚ or ⊚

In Programming

In mathematics and academic documentation, this symbol is frequently used to define arbitrary or custom binary operators. In LaTeX, it can be rendered using the `\circledcirc` command within math mode.

Read full meaning article

Tags

UI design icon abstract algebra binary operation bullseye symbol circle circle inside circle circled ring composition concentric circles focal point mathematics operator ring in circle target icon

Related Symbols

± Plus Minus Sign × Multiplication Sign ÷ Division Sign ≠ Not Equal To ≈ Approximately Equal To ∞ Infinity √ Square Root ∑ Summation ∫ Integral π Pi ≤ Less Than or Equal To ≥ Greater Than or Equal To