⅀

See also: ∑ [U+2211 N-ARY SUMMATION] and Σ [U+03A3 GREEK CAPITAL LETTER SIGMA]

⅀ U+2140, ⅀
DOUBLE-STRUCK N-ARY SUMMATION
← ℿ
[U+213F] 		Letterlike Symbols ⅁ →
[U+2141]

Translingual

Symbol

⅀

  1. (mathematics) A double-struck n-ary summation operator, resembling a Greek capital letter sigma
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