LaTeX Gamma (γ) - Complete Guide

The Greek letter gamma (γ/Γ) is used in mathematics and physics to represent various quantities including angles and photons.

Symbol Preview

γ

Gamma

LaTeX Code

No package required

Recommended
\gamma

Lowercase Greek letter

No package required

Recommended
\Gamma

Uppercase Greek letter

What is the LaTeX Gamma?

Gamma is the third letter of the Greek alphabet. The lowercase γ is used for angles and various mathematical quantities, while uppercase Γ is used for the gamma function in mathematics. Both are represented by \gamma and \Gamma in LaTeX.

How to Use Gamma in LaTeX

Method 1: Using \gamma

✅No package required

Lowercase Greek letter

Example: Using \gamma

latex
\documentclass{article}

\begin{document}

% Using the Gamma
Text with \gamma

\end{document}

Method 2: Using \Gamma

✅No package required

Uppercase Greek letter

Example: Using \Gamma

latex
\documentclass{article}

\begin{document}

% Using the Gamma
Text with \Gamma

\end{document}

Common Use Cases

The Gamma symbol is commonly used in the following contexts:

Angle in Triangles

Third angle in a triangle.

Code

In triangle ABC, $\gamma = 90^\circ$

Output

In triangle ABC, γ = 90°

Gamma Function

Used for the mathematical gamma function.

Code

The gamma function is $\Gamma(n)$

Output

The gamma function is Γ(n)

Photons in Physics

Represents photons or gamma rays.

Code

Gamma ray: $\gamma$-radiation

Output

Gamma ray: γ-radiation

Complete Examples

Gamma Function Example

Example using the gamma function

latex
\documentclass{article}
\begin{document}

The gamma function $\Gamma(n) = (n-1)!$ for positive integers $n$.

\end{document}

Frequently Asked Questions about Gamma (γ)

Which LaTeX code should I use for Gamma?

For the Gamma symbol (γ), we recommend using the method marked as "Recommended" above. However, the best method depends on your specific needs:

  • \gamma: Lowercase Greek letter
  • \Gamma: Uppercase Greek letter

Where can I use the Gamma symbol?

The Gamma symbol (γ) is typically used:

  • In mathematical equations (math mode)
  • In regular text (if supported)
  • In various LaTeX environments

Can I use the Gamma symbol in display mode?

Yes, the Gamma symbol (γ) works in display mode (between $$ $$). This allows you to render the symbol on its own line with better visibility.

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