# ∸ U+2238 DOT MINUS

Minus sign with a dot above, used for saturating subtraction or monus, where results never go below zero.

| | |
|---|---|
| Character | `∸` |
| Codepoint | U+2238 |
| Name | DOT MINUS |
| Also known as | saturating subtraction |
| Block | [Mathematical Operators](https://unicodekit.com/block/mathematical-operators) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 1.1 |
| HTML | `∸` `∸` |
| CSS | `\2238` |
| JavaScript | `\u2238` |
| UTF-8 | E2 88 B8 |
| UTF-16 | 2238 |

## Notes

- sometimes claimed as notation for symmetric set difference, but 2206 is preferred

## Related characters

- ∷ [U+2237 PROPORTION](https://unicodekit.com/char/2237)
- ∹ [U+2239 EXCESS](https://unicodekit.com/char/2239)
- ∶ [U+2236 RATIO](https://unicodekit.com/char/2236)
- ∺ [U+223A GEOMETRIC PROPORTION](https://unicodekit.com/char/223A)
- ∵ [U+2235 BECAUSE](https://unicodekit.com/char/2235)
- ∻ [U+223B HOMOTHETIC](https://unicodekit.com/char/223B)
- ∴ [U+2234 THEREFORE](https://unicodekit.com/char/2234)
- ∼ [U+223C TILDE OPERATOR](https://unicodekit.com/char/223C)
- ∳ [U+2233 ANTICLOCKWISE CONTOUR INTEGRAL](https://unicodekit.com/char/2233)
- ∽ [U+223D REVERSED TILDE](https://unicodekit.com/char/223D)
- ∲ [U+2232 CLOCKWISE CONTOUR INTEGRAL](https://unicodekit.com/char/2232)
- ∾ [U+223E INVERTED LAZY S](https://unicodekit.com/char/223E)

Page: https://unicodekit.com/char/2238 · JSON: https://unicodekit.com/characters/2238