Greek letters\sigma

\sigmaSymbol

The σ symbol (Greek small letter sigma, U+03C3), written as \sigma in LaTeX math mode.

\sigma

Topic: Greek letters
Available in: base
Allowed mode: math
Frequency: 6.99% of corpus formulasrank 11 of 474
Glyph: σ
Unicode: U+03C3 · GREEK SMALL LETTER SIGMA

Common tasks#

How to write a small sigma#

\sigma

How to write a standard deviation#

X\sim\mathcal{N}(\mu,\sigma^2)

How to write a Pauli matrix#

The summation operator is \sum, not \sigma.

\sigma_x,\sigma_y,\sigma_z

In TeXForm#

TeXForm parses this entry as a character leaf mapped to U+03C3 (GREEK SMALL LETTER SIGMA).

In Greek letters54

All 54 in Greek letters