| 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 :
