N-ary summation Symbol (∑) — Copy & Paste

Display-style sum symbol (related to Greek Σ).

Technical reference

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N-ary summation

Character
Unicode
U+2211
HTML named
∑
HTML decimal
∑
LaTeX
\sum

Common uses

Series & sums

Display summation symbol related to Greek capital sigma Σ.

More math symbols

Looking for Greek letters? See the greek symbol table or the alphabet chart.