: Unicode character recognition.

Unicode character information

Superscript two

Displayed on your computer as: ²
(if the character is not rendered properly, you may not have the appropriate fonts)

Unicode name: Superscript two
Alternative names: Codepoint (hexadecimal): 0x00B2
Codepoint (decimal): 178
In unicode block: Latin-1 Supplement

Html entities:

² or ² or ²

Character input:

There is no universal input system for Unicode characters. But you can use the system specific input methods below.

WindowsHold down Alt and press + on the numeric keyboard. Type: 00B2 and release Alt. A registry key needs to be enabled for this to work. See Unicode input (wikipedia) for more details.
Linux: Hold down Crtl and ⇧ Shift and type U00B2. Now press ↵ Enter and release Crtl and ⇧ Shift.

Other Infos:

General category: No (Other_Number): A numeric character of other type.
Bidirectional class is: EN (European_Number): Any ASCII digit or Eastern Arabic-Indic digit.
Canocial combining class is: 0 (Not_Reordered): Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing.