# Mathematics Symbols

The most common symbols found in mathematics are listed below. The table is not exhaustive but covers numerals, trigonometry and geometry. If you would like to see a mathematics symbol added you can contact North Penn Networks. Likewise if there are errors please also reach out. The math symbols below are rendered with MathJax.

$+$ | plus or additon sign |

$-$ | minus or subtraction sign |

$\times$ | times or multiplication sign |

$\div$ | division sign |

$=$ | equal sign |

$\neq$ | inequality |

$\gt$ | greater than |

$\geq$ | greater than or equal to |

$\lt$ | less than |

$\leq$ | less than or equal to |

$\%$ | percent |

$\sqrt{n}$ | square root of n |

$\left|n\right|$ | absolute value of n |

$\infty$ | infinity |

$\parallel$ | parallel |

$\perp$ | perpendicular |

$\angle$ | angle |

$!$ | factorial |

$!!$ | double factorial |