∑
See also: Σ [U+03A3 GREEK CAPITAL LETTER SIGMA] ,
ⵉ [U+2D49 TIFINAGH LETTER YI] ,
ᛊ [U+16CA RUNIC LETTER SOWILO S] , and Ʃ [U+01A9 LATIN CAPITAL LETTER ESH] ∑ - Translingual
Symbol
∑
( mathematics ) ∑ . Sum over a set of like terms :
∑
n
=
1
2
n
2
=
1
+
4
=
5
{\displaystyle \sum _{n=1}^{2}n^{2}=1+4=5}
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