Circled Ring Operator Symbol
⊚ is the Circled Ring Operator symbol, code point U+229A, used as a compact math/operator mark.
U+229A
⊚ is a math symbol called the Circled Ring Operator. It’s often used as a distinctive operator-like glyph in formulas and diagrams. This page helps you understand it and copy it reliably across tools and code.
Circled Ring Operator Symbol Meaning
⊚ (Circled Ring Operator) is a Unicode character categorized under “Math.” As its name suggests, it visually combines a circled outline with a ring operator feel, making it useful where you want an operator-like marker distinct from more common symbols. In practice, people include ⊚ in mathematical expressions, symbolic notation, and labeling to indicate a specific operation, transformation, or special operator in their own system. Because it’s relatively niche, it can also be used stylistically in typography, UI icon sets, or diagrams when you need a compact, circular operator symbol that stands out.
Common uses
- •Marking a custom operator in mathematical notation
- •Labeling transformations or special steps in diagrams
- •Using as a typographic bullet or operator mark in documents
- •Creating distinctive notation in educational materials
- •Displaying in UI mockups or design systems as a math-like icon
Examples
⊚ Circled Ring Operator (U+229A)
- ⊚Let f(x) ⊚ g(x) represent the combined operation.
- ⊚Apply ⊚ to transform the input set into the output set.
- ⊚We define the operator ⊚ on each element independently.
- ⊚The diagram step labeled ⊚ indicates a normalization step.
- ⊚Use ⊚ when you need a circled operator in notation.
Ready to copy
Technical codes
| Unicode | U+229A | |
| HTML Entity | ⊚ | |
| HTML Code | ⊚ | |
| CSS | \229A | |
| Alt Code | Alt + 8858 | |
| Decimal | 8858 |
How to type Circled Ring Operator Symbol (⊚)
On Windows
Hold Alt and type 8858 on the numeric keypad. In Word, type 229A then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 229A. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 229a, then press Enter or Space.
Anywhere
Copy ⊚ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Circled Ring Operator symbol mean?
⊚ (Circled Ring Operator) is a Unicode character categorized under “Math.” As its name suggests, it visually combines a circled outline with a ring operator feel, making it useful where you want an operator-like marker distinct from more common symbols. In practice, people include ⊚ in mathematical expressions, symbolic notation, and labeling to indicate a specific operation, transformation, or special operator in their own system. Because it’s relatively niche, it can also be used stylistically in typography, UI icon sets, or diagrams when you need a compact, circular operator symbol that stands out.
What is the Unicode code point for ⊚?
⊚ is U+229A (Unicode name: CIRCLED RING OPERATOR).
How can I copy ⊚ into HTML?
Use the HTML entity: ⊚.
How do I write ⊚ in CSS or strings with escapes?
You can use the CSS escape \\229A. In JavaScript with Unicode escapes, use \\u{229A}.
Is ⊚ a common mathematical operator with a universal meaning?
It’s categorized under Math, but the exact meaning can vary by author or notation system; many users treat it as a distinctive custom operator mark.