# Math Symbols in HTML

Character | Entity Number | Entity Name | Description |
---|---|---|---|

∀ | ∀ | ∀ | for all |

∂ | ∂ | ∂ | part |

∃ | ∃ | ∃ | exists |

∅ | ∅ | ∅ | empty |

∇ | ∇ | ∇ | nabla |

∈ | ∈ | ∈ | isin |

∉ | ∉ | ∉ | notin |

∋ | ∋ | ∋ | ni |

∏ | ∏ | ∏ | prod |

∑ | ∑ | ∑ | sum |

− | − | − | minus |

∗ | ∗ | ∗ | lowast |

√ | √ | √ | square root |

∝ | ∝ | ∝ | proportional to |

∞ | ∞ | ∞ | infinity |

∠ | ∠ | ∠ | angle |

∧ | ∧ | ∧ | and |

∨ | ∨ | ∨ | or |

∩ | ∩ | ∩ | cap |

∪ | ∪ | ∪ | cup |

∫ | ∫ | ∫ | integral |

∴ | ∴ | ∴ | therefore |

∼ | ∼ | ∼ | similar to |

≅ | ≅ | ≅ | congruent to |

≈ | ≈ | ≈ | almost equal |

≠ | ≠ | ≠ | not equal |

≡ | ≡ | ≡ | equivalent |

≤ | ≤ | ≤ | less or equal |

≥ | ≥ | ≥ | greater or equal |

⊂ | ⊂ | ⊂ | subset of |

⊃ | ⊃ | ⊃ | superset of |

⊄ | ⊄ | ⊄ | not subset of |

⊆ | ⊆ | ⊆ | subset or equal |

⊇ | ⊇ | ⊇ | superset or equal |

⊕ | ⊕ | ⊕ | circled plus |

⊗ | ⊗ | ⊗ | circled times |

⊥ | ⊥ | ⊥ | perpendicular |

⋅ | ⋅ | ⋅ | dot operator |