# Eta(η) symbol in LaTeX

Symbol/Unicode Eta/U+03B7
Type of symbol Greek letter
Package (requirement) No
Argument No
Latex command \eta
Example \eta → η

Eta is a familiar symbol in physics. You need to use the \eta command to print this symbol in a latex document.

\documentclass{article}
\begin{document}
$$\eta^2 = \frac{SS_b}{SS_t}$$
$$\eta = \pm 1$$
$$\frac{d}{d\eta}\left[(1-\eta^2)\frac{d}{d\eta}S_{mn}(\eta)\right]$$
\end{document}

Output :