LaTeX Not Equal (Alternative) () - Complete Guide

The not equal symbol (≠) indicates two values are not equal.

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Not Equal (Alternative)

LaTeX Code

No package required

Recommended
\neq

Not equal to

No package required

Recommended
\ne

Alternative not equal

What is the LaTeX Not Equal (Alternative)?

Used to denote inequality between two quantities.

How to Use Not Equal (Alternative) in LaTeX

Method 1: Using \neq

No package required

Not equal to

Example: Using \neq

latex
\documentclass{article}

\begin{document}

% Using the Not Equal (Alternative)
Text with \neq

\end{document}

Method 2: Using \ne

No package required

Alternative not equal

Example: Using \ne

latex
\documentclass{article}

\begin{document}

% Using the Not Equal (Alternative)
Text with \ne

\end{document}

Common Use Cases

The Not Equal (Alternative) symbol is commonly used in the following contexts:

Inequality

Two values are not equal.

Code

$x \neq y$

Output

x ≠ y

Complete Examples

Not Equal

Using not equal symbol

latex
\documentclass{article}
\begin{document}

If $a \neq b$, then the equation has a unique solution.

\end{document}

Frequently Asked Questions

Which method should I use?

We recommend using the method marked as "Recommended" above. However, the best method depends on your specific needs:

  • \neq: Not equal to
  • \ne: Alternative not equal

Where do I use this symbol?

This symbol can be used:

  • In mathematical equations (math mode)
  • In regular text (if using text mode)
  • In various document environments

Can I use this in display mode?

Yes, symbols that work in math mode (between $ $) also work in display mode (between $$ $$). This allows you to display the symbol on its own line with larger formatting.

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