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Greek Letters and Zeta Symbol in LaTeX (Complete List)

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Greek Letters in LaTeX

Greek letters are fundamental to mathematical and scientific writing. Here's your complete reference.

Lowercase Greek Letters

Uppercase Greek Letters

Note: Some uppercase Greek letters look like Latin letters (A, B, E, etc.) — just use the Latin letter.

The Zeta Symbol (ζ)

Zeta is commonly used in:

  • Riemann zeta function: \zeta(s)

  • Damping ratio in engineering

  • Complex analysis

  • Statistics

Variant Greek Letters

Some letters have variant forms:

Greek Letters in Different Styles

Bold Greek

Greek in Text Mode

Use the textgreek package:

Common Greek Letter Uses

Physics:

  • \alpha, \beta, \gamma — radiation types

  • \omega — angular frequency

  • \lambda — wavelength

  • \mu — micro prefix, friction coefficient

Statistics:

  • \mu — mean

  • \sigma — standard deviation

  • \chi — chi-squared test

  • \alpha, \beta — Type I/II errors

Mathematics:

  • \pi — pi constant

  • \theta — angles

  • \epsilon, \delta — small quantities in limits

Quick Tips

  1. Greek letters only work in math mode: $\alpha$

  1. Use \text{} for words mixed with Greek: $\text{let } \alpha = 5$

  1. Subscripts with Greek: $x_\alpha$

Octree Greek Letter Support

Octree makes Greek letters easy:

  • Type "alpha" and autocomplete to \alpha

  • AI suggests appropriate symbols for context

  • Quick palette for all Greek letters

  • Instant preview of your symbols

Try it at https://useoctree.com