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EDIT Mathematics The superscript two is an exponent which indicates how many times a number gets multiplied by itself (in this case: two times). A two-times multiplication is also called a square or square number. It can also be referred to as a power: a number with an exponent of two is raised to the second power.
 
 jsw 
EDIT Measure If the superscript two is used with a measure of length (such as meter, m) it becomes a surface unit (m²).
 
 jsw 
EDIT Indonesian Plural The Indonesian language (Bahasa Indonesia) doesn't have a plural. A plural or increase is often expressed by dublication. In informal correspondence or private notes, this kind of plural is often written with a "²".

Examples:
person = orang
persons = orang-orang (official notation)
persons = orang² (informal notation)
 
 jsw 
ADD NEW PARAGRAPHWIKI
ADD NEWSIMILAR CHARACTERS
DIGIT TWO
U+0032
DIGIT TWO
SUBSCRIPT TWO
U+2082
SUBSCRIPT TWO
01 CODE POINT VALUE: : : : : 00B2
02 NAME (UNICODE NAME) : : : SUPERSCRIPT TWO
03 GENERAL CATEGORY: : : : : Number, Other
04 COMBINING CLASS : : : : : Spacing, split, enclosing, reordrant, and Tibetan subjoined
05 BIDIRECTIONAL CATEGORY: : European Number
06 DECOMPOSITION MAPPING : : <super> 0032
07 DECIMAL DIGIT VALUE : : : -
08 DIGIT VALUE : : : : : : : 2
09 NUMERIC VALUE : : : : : : -
10 MIRRORED: : : : : : : : : No
11 UNICODE 1.0 NAME: : : : : SUPERSCRIPT TWO
12 ISO 10646 COMMENT FIELD : -
 
13  UPPERCASE MAPPING : : : : -
14 LOWERCASE MAPPING : : : : -
15 TITLECASE MAPPING : : : : -
16 DECIMAL VALUE : : : : : : 178
17 UTF-8 HEX VALUE : : : : : 0xC2B2
18 UTF-16 HEX VALUE: : : : : 0x00B2
19 UTF-32 HEX VALUE: : : : : 0x000000B2
20 XHTML : : : : : : : : : : &#178
21 BLOCK : : : : : : : : : : Latin-1 Supplement
22 PLANE : : : : : : : : : : Basic Multilingual Plane (BMP)
23 STROKE NUMBER : : : : : : -
24 RADICAL : : : : : : : : : -
 < CHARACTER >  BLOCK PROPERTIES
U+00B2 SUPERSCRIPT TWO
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