Hypertext Markup Language Entities
1 Mathematical Symbols
Description
Below are some mathematical symbols which you may insert into HTML webpages by using the appropriate HTML entity number or HTML entity name.
| Character | Number | Entity | Description |
|---|---|---|---|
| ∀ | ∀ | ∀ | For all |
| ∂ | ∂ | ∂ | Part |
| ∃ | ∃ | ∃ | There exists |
| ∅ | ∅ | ∅ | Empty set |
| ∇ | ∇ | ∇ | Nabla |
| ∈ | ∈ | ∈ | Is In |
| ∉ | ∉ | ∉ | Not In |
| ∋ | ∋ | ∋ | Ni |
| ∏ | ∏ | ∏ | Product |
| ∑ | ∑ | ∑ | Sum |
| − | − | − | Minus |
| ∗ | ∗ | ∗ | Asterisk (lowast) |
| √ | √ | √ | Square root |
| ∝ | ∝ | ∝ | Proportional to |
| ∞ | ∞ | ∞ | Infinity |
| ∠ | ∠ | ∠ | Angle |
| ∧ | ∧ | ∧ | And |
| ∨ | ∨ | ∨ | Or |
| ∩ | ∩ | ∩ | Cap |
| ∪ | ∪ | ∪ | Cup |
| ∫ | ∫ | ∫ | Integral |
| ∴ | ∴ | ∴ | Therefore |
| ∼ | ∼ | ∼ | Similar to |
| ≅ | ≅ | ≅ | Congurent 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 |
2 Miscellaneous Symbols
Description
The html entities which do not clearly belong in a different category are listed below.
| Character | Number | Entity | Description |
|---|---|---|---|
| Π| Π| Π| Uppercase ligature OE |
| œ | œ | œ | Lowercase ligature OE |
| Š | Š | Š | Uppercase S with caron |
| š | š | š | Lowercase S with caron |
| Ÿ | Ÿ | Ÿ | Capital Y with diaeres |
| ƒ | ƒ | ƒ | Lowercase with hook |
| ˆ | ˆ | ˆ | Circumflex accent |
| ˜ | ˜ | ˜ | Tilde |
|   |   | En space | |
|   |   | Em space | |
|   |   | Thin space | |
| | ‌ | ‌ | Zero width non-joiner |
| | ‍ | ‍ | Zero width joiner |
| | ‎ | ‎ | Left-to-right mark |
| | ‏ | ‏ | Right-to-left mark |
| – | – | – | En dash |
| — | — | — | Em dash |
| ‘ | ‘ | ‘ | Left single quotation mark |
| ’ | ’ | ’ | Right single quotation mark |
| ‚ | ‚ | ‚ | Single low-9 quotation mark |
| “ | “ | “ | Left double quotation mark |
| ” | ” | ” | Right double quotation mark |
| „ | „ | „ | Double low-9 quotation mark |
| † | † | † | Dagger |
| ‡ | ‡ | ‡ | Double dagger |
| • | • | • | Bullet |
| … | … | … | Horizontal ellipsis |
| ‰ | ‰ | ‰ | Per mile |
| ′ | ′ | ′ | Minutes (Degrees) |
| ″ | ″ | ″ | Seconds (Degrees) |
| ‹ | ‹ | ‹ | Single left angle quotation |
| › | › | › | Singe right angle quotation |
| ‾ | ‾ | ‾ | Overline |
| € | € | € | Euro |
| ™ | ™ | ™ | Trademark symbol |
| ← | ← | ← | Left arrow |
| ↑ | ↑ | ↑ | Up arrow |
| → | → | → | Right arrow |
| ↓ | ↓ | ↓ | Down arrow |
| ↔ | ↔ | ↔ | Left right arrow |
| ↵ | ↵ | ↵ | Carriage return arrow |
| ⌈ | ⌈ | ⌈ | Left ceiling |
| ⌈ | ⌈ | ⌉ | Right ceiling |
| ⌊ | ⌊ | ⌊ | Left floor |
| ⌋ | ⌋ | ⌋ | Right floor |
| ◊ | ◊ | ◊ | Lozenge |
| ♠ | ♠ | ♠ | Spade |
| ♣ | ♣ | ♣ | Club |
| ♥ | ♥ | ♥ | Heart |
| ♦ | ♦ | ♦ | Diamond |
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