Plus-minus (±) and Minus-plus (∓) symbol In LaTeX

To get the plus-minus (±) symbol in LaTeX you can use the default command \pm and to get the minus-plus (∓) symbol you can use the \mp command.

\documentclass{article}

\begin{document}

  $$ \verb|\pm|\rightarrow \pm $$
  $$ \verb|\mp|\rightarrow \mp $$
  $$ x= \frac{-b\pm\sqrt{b^2 -4ac}}{2a} $$
  $$ \sqrt{a^2}=\pm a $$

\end{document}

Output:

Plus-minus and Minus-plus symbol with other packages

You can also get the plus-minus and minus-plus symbols with other packages. And you will get slightly different output for different packages.

Package	Command	Output
None	\pm, \mp
stix	\pm, \mp
MnSymbol	\pm, \mp
fdsymbol	\pm, \mp
boisik	\pm, \mp