Intergral Letters
∫ ∬ ∭ ∮ ∯ ∰ ∱ ∲ ∳ ⌠ ⌡ ⎮ ⨋ ⨌ ⨍ ⨎ ⨏ ⨕ ⨖ ⨗ ⨘ ⨙ ⨚ ⨛ ⨜
| Integral Symbol | Symbol Name | Dec Code | Hex Code | Unicode |
|---|---|---|---|---|
| ∫ | Integral | ∫ | ∫ | U+222B |
| ∬ | Double Integral | ∬ | ∬ | U+222C |
| ∭ | Triple Integral | ∭ | ∭ | U+222D |
| ∮ | Contour Integral | ∮ | ∮ | U+222E |
| ∯ | Surface Integral | ∯ | ∯ | U+222F |
| ∰ | Volume Integral | ∰ | ∰ | U+2230 |
| ∱ | Clockwise Integral | ∱ | ∱ | U+2231 |
| ∲ | Clockwise Contour Integral | ∲ | ∲ | U+2232 |
| ∳ | Anticlockwise Contour Integral | ∳ | ∳ | U+2233 |
| ⌠ | Top Half Integral | ⌠ | ⌠ | U+2320 |
| ⌡ | Bottom Half Integral | ⌡ | ⌡ | U+2321 |
| ⎮ | Integral Extension | ⎮ | ⎮ | U+23AE |
| ⨋ | Summation with Integral | ⨋ | ⨋ | U+2A0B |
| ⨌ | Quadruple Integral Operator | ⨌ | ⨌ | U+2A0C |
| ⨍ | Finite Part Integral | ⨍ | ⨍ | U+2A0D |
| ⨎ | Integral with Double Stroke | ⨎ | ⨎ | U+2A0E |
| ⨏ | Integral Average with Slash | ⨏ | ⨏ | U+2A0F |
| ⨕ | Integral Around A Point Operator | ⨕ | ⨕ | U+2A15 |
| ⨖ | Quaternion Integral Operator | ⨖ | ⨖ | U+2A16 |
| ⨗ | Integral with Leftwards Arrow with Hook | ⨗ | ⨗ | U+2A17 |
| ⨘ | Integral with Times Sign | ⨘ | ⨘ | U+2A18 |
| ⨙ | Integral with Intersection | ⨙ | ⨙ | U+2A19 |
| ⨚ | Integral with Union | ⨚ | ⨚ | U+2A1A |
| ⨛ | Integral with Overbar | ⨛ | ⨛ | U+2A1B |
| ⨜ | Integral with Underbar | ⨜ | ⨜ | U+2A1C |