## Basic math symbols

Symbol | Symbol Name |
---|---|

= | equals sign |

≠ | not equal sign |

> | strict inequality |

< | strict inequality |

≥ | inequality |

≤ | inequality |

( ) | parentheses |

[ ] | brackets |

+ | plus sign |

− | minus sign |

± | plus – minus |

∓ | minus – plus |

mod | modulo |

. | period |

a^{b} |
power |

a^b |
caret |

√a |
square root |

^{
3}√a |
cube root |

^{
4}√a |
fourth root |

^{n}√a |
n-th root (radical) |

% | percent |

‰ | per-mille> |

ppb | per-billion |

ppt | per-trillion |

### Logic symbols

Symbol | Symbol Name | Meaning / definition |
---|---|---|

· |
and | and |

^ | caret / circumflex | and |

& | ampersand | and |

+ | plus | or |

∨ | reversed caret | or |

| | vertical line | or |

x‘ |
single quote | not – negation |

x |
bar | not – negation |

¬ | not | not – negation |

! | exclamation mark | not – negation |

⊕ | circled plus / oplus | exclusive or – xor |

~ | tilde | negation |

⇒ | implies | |

⇔ | equivalent | if and only if (iff) |

↔ | equivalent | if and only if (iff) |

∀ | for all | |

∃ | there exists | |

∄ | there does not exists | |

∴ | therefore | |

∵ | because / since |