Unicode Character

N-ARY SUMMATION

Reference details for U+2211 in the Mathematical Operators block. The full explorer and side panel load next, but the canonical page context is available immediately.

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∑

U+2211

A large version of the Greek letter Sigma (Σ), used for summing a series.

Block

Mathematical Operators

Category

Math_Symbol

Unicode label

U+2211

Canonical URL

/mathematical-operators/n-ary-summation

Nearby characters in this block

Adjacent canonical character links in the current block.

∉

NOT AN ELEMENT OF

U+2209

∊

SMALL ELEMENT OF

U+220A

∋

CONTAINS AS MEMBER

U+220B

∌

DOES NOT CONTAIN AS MEMBER

U+220C

∍

SMALL CONTAINS AS MEMBER

U+220D

∎

END OF PROOF

U+220E

∏

N-ARY PRODUCT

U+220F

∐

N-ARY COPRODUCT

U+2210

−

MINUS SIGN

U+2212

∓

MINUS-OR-PLUS SIGN

U+2213

∔

DOT PLUS

U+2214

∕

DIVISION SLASH

U+2215

∖

SET MINUS

U+2216

∗

ASTERISK OPERATOR

U+2217

∘

RING OPERATOR

U+2218

∙

BULLET OPERATOR

U+2219