Greek letters in LaTeX

Greek letters are typed as their name after a backslash: \alpha, \beta, \gamma. For the capital letter, capitalize the name, e.g. \Delta. Some capitals look exactly like Latin letters (A, B, E), so they have no commands of their own.

Most common lowercase letters

\alpha \beta \gamma \delta \varepsilon \lambda \mu \pi \rho \sigma \tau \varphi \omega

\alpha \beta \gamma \delta \varepsilon \lambda \mu \pi \rho \sigma \tau \varphi \omega

Capital letters

\Gamma \Delta \Theta \Lambda \Pi \Sigma \Phi \Psi \Omega

\Gamma \Delta \Theta \Lambda \Pi \Sigma \Phi \Psi \Omega

Example

\Delta E = h \nu = \frac{hc}{\lambda}

\Delta E = h \nu = \frac{hc}{\lambda}

Common mistakes

\Alpha and \Beta do not exist, because they look like the Latin A and B. Just write A.
Mixing \epsilon and \varepsilon in one document: they are two different letter shapes.

Greek letters in LaTeX

Most common lowercase letters

Capital letters

Example

Common mistakes

See also