# 𝒪 U+1D4AA MATHEMATICAL SCRIPT CAPITAL O

Fancy calligraphic script capital O, used for stylish text and for big-O complexity notation in computer science.

| | |
|---|---|
| Character | `𝒪` |
| Codepoint | U+1D4AA |
| Name | MATHEMATICAL SCRIPT CAPITAL O |
| Block | [Mathematical Alphanumeric Symbols](https://unicodekit.com/block/mathematical-alphanumeric-symbols) |
| Script | Common |
| Category | Uppercase Letter (Lu) |
| Unicode version | 3.1 |
| HTML | `𝒪` `𝒪` |
| CSS | `\1D4AA` |
| JavaScript | `\u{1D4AA}` |
| UTF-8 | F0 9D 92 AA |
| UTF-16 | D835 DCAA |
| Decomposition | font U+004F |

## Related characters

- 𝒩 [U+1D4A9 MATHEMATICAL SCRIPT CAPITAL N](https://unicodekit.com/char/1D4A9)
- 𝒫 [U+1D4AB MATHEMATICAL SCRIPT CAPITAL P](https://unicodekit.com/char/1D4AB)
- 𝒬 [U+1D4AC MATHEMATICAL SCRIPT CAPITAL Q](https://unicodekit.com/char/1D4AC)
- 𝒦 [U+1D4A6 MATHEMATICAL SCRIPT CAPITAL K](https://unicodekit.com/char/1D4A6)
- 𝒮 [U+1D4AE MATHEMATICAL SCRIPT CAPITAL S](https://unicodekit.com/char/1D4AE)
- 𝒥 [U+1D4A5 MATHEMATICAL SCRIPT CAPITAL J](https://unicodekit.com/char/1D4A5)
- 𝒯 [U+1D4AF MATHEMATICAL SCRIPT CAPITAL T](https://unicodekit.com/char/1D4AF)
- 𝒰 [U+1D4B0 MATHEMATICAL SCRIPT CAPITAL U](https://unicodekit.com/char/1D4B0)
- 𝒱 [U+1D4B1 MATHEMATICAL SCRIPT CAPITAL V](https://unicodekit.com/char/1D4B1)
- 𝒢 [U+1D4A2 MATHEMATICAL SCRIPT CAPITAL G](https://unicodekit.com/char/1D4A2)
- 𝒲 [U+1D4B2 MATHEMATICAL SCRIPT CAPITAL W](https://unicodekit.com/char/1D4B2)
- 𝒳 [U+1D4B3 MATHEMATICAL SCRIPT CAPITAL X](https://unicodekit.com/char/1D4B3)

Page: https://unicodekit.com/char/1D4AA · JSON: https://unicodekit.com/characters/1D4AA