# ∑ U+2211 N-ARY SUMMATION

Large capital sigma, the summation sign for adding a series of terms in math.

| | |
|---|---|
| Character | `∑` |
| Codepoint | U+2211 |
| Name | N-ARY SUMMATION |
| Also known as | summation sign |
| Block | [Mathematical Operators](https://unicodekit.com/block/mathematical-operators) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 1.1 |
| HTML | `&#8721;` `&#x2211;` |
| CSS | `\2211` |
| JavaScript | `\u2211` |
| UTF-8 | E2 88 91 |
| UTF-16 | 2211 |

## Related characters

- ∐ [U+2210 N-ARY COPRODUCT](https://unicodekit.com/char/2210)
- − [U+2212 MINUS SIGN](https://unicodekit.com/char/2212)
- ∏ [U+220F N-ARY PRODUCT](https://unicodekit.com/char/220F)
- ∓ [U+2213 MINUS-OR-PLUS SIGN](https://unicodekit.com/char/2213)
- ∎ [U+220E END OF PROOF](https://unicodekit.com/char/220E)
- ∔ [U+2214 DOT PLUS](https://unicodekit.com/char/2214)
- ∍ [U+220D SMALL CONTAINS AS MEMBER](https://unicodekit.com/char/220D)
- ∕ [U+2215 DIVISION SLASH](https://unicodekit.com/char/2215)
- ∌ [U+220C DOES NOT CONTAIN AS MEMBER](https://unicodekit.com/char/220C)
- ∖ [U+2216 SET MINUS](https://unicodekit.com/char/2216)
- ∋ [U+220B CONTAINS AS MEMBER](https://unicodekit.com/char/220B)
- ∗ [U+2217 ASTERISK OPERATOR](https://unicodekit.com/char/2217)

Page: https://unicodekit.com/char/2211 · JSON: https://unicodekit.com/characters/2211
