Σ Greek Capital Letter Sigma
U+03A3
Σ
ℹ️ About
The Greek Capital Letter Sigma (U+03A3) is a core character of the Greek script. Beyond its linguistic use, it is the standard mathematical symbol for summation. It is an uppercase letter with a bidirectional class of Left-to-Right and is the counterpart to the lowercase sigma (σ).
⚠️ Note: Do not confuse with ∑ (U+2211 N-Ary Summation).
⚡ Codes
HTML
Σ
CSS
\03A3
Python
\u03A3
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