N-ary Circled Plus Operator Symbol
⨁ (N-ary circled plus operator) represents a generalized plus operation across multiple elements.
U+2A01
The symbol ⨁ is commonly used in mathematics to indicate an operation that applies to many items at once. It’s often treated as an “n-ary” version of addition rather than a binary plus sign. This page helps you copy it and use it correctly in writing and software.
N-ary Circled Plus Operator Symbol Meaning
⨁ is the “N-ary circled plus operator” (Unicode U+2A01). The “circled” style visually distinguishes it from the ordinary plus sign (+). In mathematical notation, it suggests a generalized addition-like operation over an n-ary collection (many inputs), rather than only two operands. Depending on the context, authors may use it to denote repeated addition, a combined operation across a sequence, or an operator used in formal definitions where the number of arguments is not fixed. When writing equations or technical documents, using ⨁ can improve clarity by signaling that the operation conceptually accepts multiple inputs.
Common uses
- •Denoting a generalized addition-like operator over multiple arguments in math writing
- •Labeling or defining a combined operation in textbooks, notes, or papers
- •Representing an n-ary “sum/combine” step in algorithm descriptions and pseudocode
- •Formatting formal expressions in technical documentation and educational materials
- •Using the symbol in markup/LaTeX-style math content where an n-ary operator is preferred over +
Examples
⨁ N-ary circled plus operator
- ⨁⨁(a1, a2, a3) combines the inputs using an n-ary addition rule.
- ⨁Define f(x1, x2, ..., xn) = x1 ⨁ x2 ⨁ ... ⨁ xn.
- ⨁Let ⨁_i denote combining terms over all i in the index set.
- ⨁In this step, compute ⨁(list) to merge multiple values.
- ⨁The operator ⨁ is used to express an n-argument sum-like operation.
Variations
Ready to copy
Technical codes
| Unicode | U+2A01 | |
| HTML Entity | ⨁ | |
| HTML Code | ⨁ | |
| CSS | \2A01 | |
| Alt Code | Alt + 10753 | |
| Decimal | 10753 |
How to type N-ary Circled Plus Operator Symbol (⨁)
On Windows
Hold Alt and type 10753 on the numeric keypad. In Word, type 2A01 then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 2A01. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 2a01, 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 ⨁ mean?
⨁ is the “N-ary circled plus operator” (Unicode U+2A01), typically used to represent an addition-like operation that takes multiple inputs.
How do I copy ⨁ easily?
Copy the character directly from this page (⨁). You can also use the HTML entity (⨁) or Unicode escapes like \\2A01 / \\u{2A01}.
Is ⨁ the same as the plus sign +?
Not exactly. While it relates to addition, ⨁ is a distinct operator style intended to signal an n-ary (multi-argument) operation rather than only two operands.
Where should I use ⨁?
Use it in math and technical writing when you want to emphasize a generalized, multi-input combination operation instead of a plain binary +.