: Unicode character recognition.

Unicode character information

Plus sign

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

Unicode name: Plus sign
Alternative names: Codepoint (hexadecimal): 0x002B
Codepoint (decimal): 43
In unicode block: Basic Latin

Html entities:

+ or +

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: 002B 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 U002B. Now press ↵ Enter and release Crtl and ⇧ Shift.

Other Infos:

General category: Sm (Math_Symbol): A symbol of primarily mathematical use.
Bidirectional class is: ES (European_Separator): Plus and minus signs.
Canocial combining class is: 0 (Not_Reordered): Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing.