Symbol/Unicode | Not equal/U+2260 |
---|---|

Type of symbol | Inequality |

Package (requirement) | No |

Argument | No |

Latex command | `\ne` |

Example | `\ne` → ≠ |

The most popular symbol used in mathematics is “not equal”. In Latex, you need to use `\ne`

command for this symbol, you can also use `\neq`

command.

```
\documentclass{article}
\begin{document}
$$ a \ne b $$
$$ \cos x \ne \sin x $$
% Use \neq command
$$ 5 \neq 3 $$
$$ x^2 + 1 \neq y^2 + 1 $$
\end{document}
```

**Output :**