N-Ary Summation
∑ carries the Unicode name "N-Ary Summation" at code point U+2211. Like every character in the math set on this page, it is plain text rather than an icon, so a single click below copies something that keeps its shape in equations, formulas and technical writing.
| Symbol | ∑ | |
|---|---|---|
| Unicode | U+2211 | |
| Name | N-Ary Summation | |
| HTML (named) | ∑ | |
| HTML (decimal) | ∑ | |
| HTML (hex) | ∑ | |
| CSS content | \2211 | |
| JavaScript / JSON | \u2211 | |
| UTF-8 bytes | 0xE2 0x88 0x91 | |
| UTF-16 units | 0x2211 |
How to type the n-ary summation symbol
- Copy and paste: click the ∑ at the top of this page, then paste with Ctrl+V (Windows) or Cmd+V (Mac). This is the fastest route on any device.
- HTML: write
∑or the named entity∑in your markup. - CSS: use
content: "\2211"in a::beforeor::afterrule. - JavaScript: the escape
\u2211produces this character in a string.
Frequently asked questions
How do I copy the n-ary summation symbol?
Click the ∑ above or the copy button and it is placed on your clipboard. Paste it anywhere with Ctrl+V or Cmd+V. It is a real text character, so it works in documents, chats and code.
What is the Unicode code point for n-ary summation?
The n-ary summation has the Unicode code point U+2211. In HTML you can write it as ∑ or ∑, or with the named entity ∑.
Is the n-ary summation an emoji or a text character?
It is a plain Unicode text character, not an image or an emoji sticker. That means the ∑ inherits the surrounding font, size and color wherever you paste it, and it works in places emoji often do not, such as usernames, file names and code.
Related symbols
Browse the full math symbols hub, or return to the searchable symbol grid.