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Integral
U+222B · Mathematical Operators
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Meaning and uses
The integral sign, a tall stretched S. In calculus it means integration, for example the area under a curve.
Unicode details
∫ is the Unicode character named INTEGRAL, code point U+222B, in the Mathematical Operators block. It was added in Unicode 1.1 in 1993, and Unicode classes it as a maths symbol (general category Sm).
It is not an emoji, so it keeps the colour and size of the text around it.
| Unicode name | INTEGRAL |
|---|---|
| Code point | U+222B |
| Block | Mathematical Operators |
| Added | Unicode 1.1 (1993) |
| UTF-8 bytes | E2 88 AB |
| UTF-16 | 222B |
| HTML | ∫ or ∫ |
Tap a code to copy it:
How to type ∫
- On any device, tap the copy button above, then paste with a long press on a phone, Ctrl+V on Windows or Cmd+V on a Mac.
- In Microsoft Word on Windows, type 222B and then press Alt+X to turn the code into ∫.
- On a Mac, press Control+Cmd+Space to open the Character Viewer, then search for “integral”.
- On Linux, most desktops accept Ctrl+Shift+U, then 222b, then Space or Enter.
- In HTML, use
∫or∫. In a CSScontentproperty, use"\222B".