# ⦱ U+29B1 EMPTY SET WITH OVERBAR

Empty set symbol, a slashed circle, with a bar drawn over the top, used in math notation.

| | |
|---|---|
| Character | `⦱` |
| Codepoint | U+29B1 |
| Name | EMPTY SET WITH OVERBAR |
| Block | [Miscellaneous Mathematical Symbols-B](https://unicodekit.com/block/miscellaneous-mathematical-symbols-b) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 3.2 |
| HTML | `⦱` `⦱` |
| CSS | `\29B1` |
| JavaScript | `\u29B1` |
| UTF-8 | E2 A6 B1 |
| UTF-16 | 29B1 |

## Related characters

- ⦰ [U+29B0 REVERSED EMPTY SET](https://unicodekit.com/char/29B0)
- ⦲ [U+29B2 EMPTY SET WITH SMALL CIRCLE ABOVE](https://unicodekit.com/char/29B2)
- ⦯ [U+29AF MEASURED ANGLE WITH OPEN ARM ENDING IN ARROW POINTING LEFT AND DOWN](https://unicodekit.com/char/29AF)
- ⦳ [U+29B3 EMPTY SET WITH RIGHT ARROW ABOVE](https://unicodekit.com/char/29B3)
- ⦮ [U+29AE MEASURED ANGLE WITH OPEN ARM ENDING IN ARROW POINTING RIGHT AND DOWN](https://unicodekit.com/char/29AE)
- ⦴ [U+29B4 EMPTY SET WITH LEFT ARROW ABOVE](https://unicodekit.com/char/29B4)
- ⦭ [U+29AD MEASURED ANGLE WITH OPEN ARM ENDING IN ARROW POINTING LEFT AND UP](https://unicodekit.com/char/29AD)
- ⦵ [U+29B5 CIRCLE WITH HORIZONTAL BAR](https://unicodekit.com/char/29B5)
- ⦬ [U+29AC MEASURED ANGLE WITH OPEN ARM ENDING IN ARROW POINTING RIGHT AND UP](https://unicodekit.com/char/29AC)
- ⦶ [U+29B6 CIRCLED VERTICAL BAR](https://unicodekit.com/char/29B6)
- ⦫ [U+29AB MEASURED ANGLE WITH OPEN ARM ENDING IN ARROW POINTING DOWN AND LEFT](https://unicodekit.com/char/29AB)
- ⦷ [U+29B7 CIRCLED PARALLEL](https://unicodekit.com/char/29B7)

Page: https://unicodekit.com/char/29B1 · JSON: https://unicodekit.com/characters/29B1