Sigma Symbol

The sigma symbol is the eighteenth letter of the greek alphabet. Sigma originated from the Phoenician letter "shin." It has three forms: uppercase "Σ," lowercase "σ," and word-final lowercase "ς." In Greek numerals, sigma represented 200.

Symbol
```
Σ
```
Name
```
Greek Letter Sigma
```
Unicode
```
U+03A3
```
HTML Code
```
&#931;
```
Entity
```
&Sigma;
```

Symbol
```
σ
```
Name
```
Greek Small Sigma
```
Unicode
```
U+03C3
```
HTML Code
```
&#963;
```
Entity
```
&sigma;
```

Symbol
```
ς
```
Name
```
Greek Small Final Sigma
```
Unicode
```
U+03C2
```
HTML Code
```
&#962;
```
Entity
```
&sigmaf;
```

Sigma Symbols Copy and Paste

Greek Capital Letter Sigma

Greek Small Letter Sigma

Greek Small Letter Final Sigma

𝚺

Greek Bold Capital Sigma

𝛓

Greek Bold Small Final Sigma

𝛔

Greek Bold Small Sigma

𝛴

Greek Italic Capital Sigma

𝜍

Greek Italic Small Final Sigma

𝜎

Greek Italic Small Sigma

𝜮

Greek Bold Italic Capital Sigma

𝝇

Greek Bold Italic Small Final Sigma

𝝈

Greek Bold Italic Small Sigma

𝝨

Greek Sans-Serif Bold Capital Sigma

𝞁

Greek Sans-Serif Bold Small Final Sigma

𝞂

Greek Sans-Serif Bold Small Sigma

𝞢

Greek Sans-Serif Bold Italic Capital Sigma

𝞻

Greek Sans-Serif Bold Italic Small Final Sigma

𝞼

Greek Sans-Serif Bold Italic Small Sigma

Greek Small Reversed Lunate Sigma Symbol

Greek Small Dotted Lunate Sigma Symbol

Greek Small Reversed Dotted Lunate Sigma Symbol

Greek Lunate Sigma Symbol

Greek Capital Lunate Sigma Symbol

Greek Capital Reversed Lunate Sigma Symbol

Greek Capital Dotted Lunate Sigma Symbol

Greek Capital Reversed Dotted Lunate Sigma Symbol

Sigma Meaning

In mathematics, the uppercase sigma is used to represent summation. In statistics, sigma often represents standard deviation. The Six Sigma quality management approach is named after this letter. In chemistry, sigma bonds are a type of chemical bond named using this symbol.

Sigma Symbol

Sigma Symbols Copy and Paste

Sigma Meaning

See Also