GlyphIndexExample notation
σ = 2
The equation assigns 2 to the parameter σ.
Greek sigma
Sigma has three forms here: uppercase Σ, lowercase σ, and final lowercase ς. Capital Σ is distinct from the summation sign ∑.
GREEK CAPITAL LETTER SIGMA
Appearance can vary by font.
Character details
♡→✦
3 code pointsMeaning and context
Sigma has three forms here: uppercase Σ, lowercase σ, and final lowercase ς. Capital Σ is distinct from the summation sign ∑.
How to use it
In ordinary Greek spelling, ς is the word-final lowercase form. Preserve the source spelling; do not replace every σ with ς.
Examples
Uppercase and lowercase
Σ U+03A3 / σ U+03C3
Uppercase and lowercase use different code points. Copy the case you need.
Similar shapes, different characters
Compare the lookalike
U+2211Greek capital sigma U+03A3 is distinct from summation operator U+2211.
DetailsGreek small sigma
U+03C3Copy the lowercase letter when that is the case used in the source material.
Sources and method
- Unicode 18.0.0 character database — Pinned standard character identities and properties; the application computes UTF encodings from the original text.
- Unicode normalization forms (Unicode 18.0.0)