Greek letters\eta

\etaSymbol

The η symbol (Greek small letter eta, U+03B7), written as \eta in LaTeX math mode.

\eta

Topic: Greek letters
Available in: base
Allowed mode: math
Frequency: 4.17% of corpus formulasrank 26 of 474
Glyph: η
Unicode: U+03B7 · GREEK SMALL LETTER ETA

Common tasks#

How to write a Greek eta#

\eta

How to write an efficiency#

\eta = \frac{P_{\mathrm{out}}}{P_{\mathrm{in}}}

How to write a Minkowski metric signature#

\eta_{\mu\nu}

In TeXForm#

TeXForm parses this entry as a character leaf mapped to U+03B7 (GREEK SMALL LETTER ETA).

In Greek letters54

All 54 in Greek letters