N-Ary Circled Plus Operator ⨁

⨁ (U+2A01) is a standard Unicode character that you can copy and paste anywhere text is accepted. This page provides a concise reference with safe tips, internal links, and practical guidance so you can use it reliably across apps and platforms.

What it is and where it’s used: N-Ary Circled Plus Operator is part of the Symbols family (block: Supplemental Mathematical Operators). If you need styled or decorative alternatives, try our Fancy Text tool to generate compatible text that works in most modern interfaces.

History & usage: The N-ary circled plus operator is a math symbol in the Unicode Supplemental Mathematical Operators block. It is used to denote an operation that can take many inputs. In formulas, it marks a generalized sum or combining operation across several terms. In user interfaces, it can appear as a compact symbol for multiple inputs or steps in a calculation. The symbol is written as a circled plus and is read as an n-ary operator. It helps keep expressions short when many items are involved. The symbol supports formal notation in algebra, logic, and computer science. It expands the idea of addition beyond two terms to any number of terms. In practice, authors choose this symbol to show a variable number of inputs. It communicates that more terms may follow without changing the basic meaning. In history, it appears in modern mathematical notation and in digital typesetting. It is one of several specialized operators designed for clear and compact formulas. Common math symbols indicate operations or comparisons in formulas and user interfaces.

Copy and input: the quickest method is to copy the character here. You can also insert it by its codepoint U+2A01 in many development tools or editors. Some operating systems provide a character viewer or input palette that lets you search by name or code and insert the glyph into documents.

Display and fallback: if you see an empty box (tofu) or a placeholder rectangle, the active font might not include this codepoint. Switching to a font with broader Unicode coverage or using a fallback font usually fixes the issue. On the web, ensure the page’s font stack includes a general‑purpose fallback.

Related references: browse the Categories for similar characters. When choosing a symbol, prefer the official codepoint for semantic clarity and better compatibility with search, copy, and accessibility tooling.

See our category page for related symbols.