LaTeX Alpha (α) - Complete Guide

The Greek letter alpha (α) is commonly used in mathematics and science to denote angles, coefficients, and variables.

Symbol Preview

Alpha

LaTeX Code

Method 1: Using \alpha

No package required

Recommended

\alpha

Standard Greek letter command

What is the LaTeX Alpha?

Alpha is the first letter of the Greek alphabet. In LaTeX, it is represented by the \alpha command in math mode. It is widely used in mathematics, physics, and engineering for representing angles, coefficients, and various physical quantities.

How to Use Alpha in LaTeX

Method 1: Using \alpha

✅No package required

Standard Greek letter command

Example: Using \alpha

latex

\documentclass{article}

\begin{document}

% Using the Alpha
Text with \alpha

\end{document}

Common Use Cases

The Alpha symbol is commonly used in the following contexts:

Angle Notation

Used to represent angles in geometry and trigonometry.

Code

The angle $\alpha = 45^\circ$

Output

The angle α = 45°

Statistical Notation

Used in statistics for significance levels and parameters.

Code

At significance level $\alpha = 0.05$

Output

At significance level α = 0.05

Physics Variables

Used for angular acceleration and other physics quantities.

Code

Angular acceleration: $\alpha = \frac{d\omega}{dt}$

Output

Angular acceleration: α = dω/dt

Complete Examples

Basic Greek Letter Usage

Simple example of using alpha in a document

latex

\documentclass{article}
\begin{document}

The Greek letter alpha is written as $\alpha$ in math mode.

\end{document}

Multiple Greek Letters

Using multiple Greek letters together

latex

\documentclass{article}
\begin{document}

Let $\alpha, \beta, \gamma$ be angles in a triangle.

\end{document}

Frequently Asked Questions about Alpha (α)

Which LaTeX code should I use for Alpha?

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

\alpha: Standard Greek letter command

Where can I use the Alpha symbol?

The Alpha symbol (α) is typically used:

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

Can I use the Alpha symbol in display mode?

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

🔗 Related Symbols You May Need

Beta

\beta

Gamma

\gamma

Delta

\delta

View all symbols →

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