∑
N-Ary Summation
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://symbolfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://symbolfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://symbolfyi.com/entity//)Use the native HTML custom element.
2211 · Mathematical Operators · Zyyy
인코딩
| Unicode 블록 | U+2211 | |
| 10진수 | ∑ | |
| HTML 16진수 | ∑ | |
| HTML 엔티티 | ∑ | |
| CSS | \2211 | |
| JavaScript | \u{2211} | |
| Python | \u2211 | |
| Java | \u2211 | |
| UTF-8 16진수 | e2 88 91 | |
| UTF-16 | 22 11 | |
| URL 인코딩 | %E2%88%91 |
Unicode 속성
Block
Mathematical Operators
Script
Zyyy
Category
Math Symbol (Sm)
Bidirectional
ON
유사 기호
비교
관련 기호
더 알아보기
관련 가이드
How to Use the SymbolFYI HTML Entity Finder
A guide to SymbolFYI's HTML Entity Finder — search for HTML entities by name, character, or code point, with copy-ready entity codes for your web projects.
How to Use the SymbolFYI Character Analyzer
A guide to SymbolFYI's Character Analyzer — count characters, words, and bytes, inspect Unicode properties, and analyze text encoding character by character.
How to Use the SymbolFYI Unicode Lookup Tool
A guide to SymbolFYI's Unicode Lookup — enter a U+ codepoint to see the character's name, block, script, and full encoding details.
Unicode Accessibility Checklist: 15 Checks for Inclusive Text
A practical 15-point checklist for Unicode accessibility — from decorative symbol hiding to language declaration, RTL support, and proper text alternatives.
Mathematical Notation in Unicode: From Clay Tablets to Code Points
How mathematical symbols were standardized in Unicode — the history of +, −, ×, ÷, =, π, ∑, ∫ and the challenges of encoding mathematical notation.
Braille in Unicode: How a Tactile System Became Digital Text
The story of Braille's journey into Unicode — from Louis Braille's 1824 invention to the 256-character Braille Patterns block in Unicode.
Unicode Properties and Categories: Classifying Every Character
Explore Unicode General Categories, Script property, and other character properties used in regex, text processing, and internationalization.
Unicode Planes and Blocks: How 1.1 Million Code Points Are Organized
Understand Unicode's 17 planes and hundreds of blocks — from the Basic Multilingual Plane to supplementary planes for emoji and historic scripts.
What Is Unicode? The Universal Character Standard Explained
Learn what Unicode is, why it was created, and how it assigns a unique code point to every character in every writing system.
자주 묻는 질문
What is the ∑ N-Ary Summation symbol?
∑ is the N-Ary Summation symbol, encoded at Unicode 2211.
What is the Unicode codepoint of N-Ary Summation?
The N-Ary Summation symbol (∑) has codepoint 2211.
How do I type or copy N-Ary Summation?
Copy ∑ directly, or use the HTML entity, CSS, JavaScript, and Python encodings shown on this page.