Home U+2190 to U+21FF Arrows
Glyph for U+21D0
Source: Noto Sans Math

U+21D0 Leftwards Double Arrow

U+21D0 was added to Unicode in version 1.1 (1993). It belongs to the block U+2190 to U+21FF Arrows in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Symbol and is commonly used, that is, in no specific script.

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Other Neutral and is not mirrored. In text U+21D0 behaves as Alphabetic regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The CLDR project labels this character “leftwards double arrow” for use in screen reading software. It assigns additional tags, e.g. for search in emoji pickers: leftwards double arrow.

The Wikipedia has the following information about this codepoint:

An arrow is a graphical symbol, such as ← or →, or a pictogram, used to point or indicate direction. In its simplest form, an arrow is a triangle, chevron, or concave kite, usually affixed to a line segment or rectangle, and in more complex forms a representation of an actual arrow (e.g. ➵ U+27B5). The direction indicated by an arrow is the one along the length of the line or rectangle toward the single pointed end.

Representations

System Representation
8656
UTF-8 E2 87 90
UTF-16 21 D0
UTF-32 00 00 21 D0
URL-Quoted %E2%87%90
HTML-Escape ⇐
Wrong windows-1252 Mojibake ⇐
HTML-Escape ⇐
HTML-Escape ⇐
HTML-Escape ⇐
LATEX \Leftarrow
Adobe Glyph List arrowdblleft
Adobe Glyph List arrowleftdbl
digraph <=

Related Characters

Elsewhere

Complete Record

Property Value
Age 1.1 (1993)
Unicode Name LEFTWARDS DOUBLE ARROW
Unicode 1 Name LEFT DOUBLE ARROW
Block Arrows
General Category Other Symbol
Script Common
Bidirectional Category Other Neutral
Combining Class Not Reordered
Decomposition Type None
Decomposition Mapping Glyph for U+21D0 Leftwards Double Arrow
Lowercase
Simple Lowercase Mapping Glyph for U+21D0 Leftwards Double Arrow
Lowercase Mapping Glyph for U+21D0 Leftwards Double Arrow
Uppercase
Simple Uppercase Mapping Glyph for U+21D0 Leftwards Double Arrow
Uppercase Mapping Glyph for U+21D0 Leftwards Double Arrow
Simple Titlecase Mapping Glyph for U+21D0 Leftwards Double Arrow
Titlecase Mapping Glyph for U+21D0 Leftwards Double Arrow
Case Folding Glyph for U+21D0 Leftwards Double Arrow
ASCII Hex Digit
Alphabetic
Bidi Control
Bidi Mirrored
Composition Exclusion
Case Ignorable
Changes When Casefolded
Changes When Casemapped
Changes When NFKC Casefolded
Changes When Lowercased
Changes When Titlecased
Changes When Uppercased
Cased
Full Composition Exclusion
Default Ignorable Code Point
Dash
Deprecated
Diacritic
Emoji Modifier Base
Emoji Component
Emoji Modifier
Emoji Presentation
Emoji
Extender
Extended Pictographic
FC NFKC Closure Glyph for U+21D0 Leftwards Double Arrow
Grapheme Cluster Break Any
Grapheme Base
Grapheme Extend
Grapheme Link
Hex Digit
Hyphen
ID Continue
ID Start
IDS Binary Operator
IDS Trinary Operator and
Ideographic
Indic Mantra Category
Indic Positional Category NA
Indic Syllabic Category Other
Jamo Short Name
Join Control
Logical Order Exception
Math
Noncharacter Code Point
NFC Quick Check Yes
NFD Quick Check Yes
NFKC Casefold Glyph for U+21D0 Leftwards Double Arrow
NFKC Quick Check Yes
NFKD Quick Check Yes
Other Alphabetic
Other Default Ignorable Code Point
Other Grapheme Extend
Other ID Continue
Other ID Start
Other Lowercase
Other Math
Other Uppercase
Prepended Concatenation Mark
Pattern Syntax
Pattern White Space
Quotation Mark
Regional Indicator
Radical
Sentence Break Other
Soft Dotted
Sentence Terminal
Terminal Punctuation
Unified Ideograph
Variation Selector
Word Break Other
White Space
XID Continue
XID Start
Expands On NFC
Expands On NFD
Expands On NFKC
Expands On NFKD
Bidi Paired Bracket Glyph for U+21D0 Leftwards Double Arrow
Bidi Paired Bracket Type None
East Asian Width Neutral
Hangul Syllable Type Not Applicable
ISO 10646 Comment
Joining Group No_Joining_Group
Joining Type Non Joining
Line Break Alphabetic
Numeric Type None
Numeric Value not a number
Simple Case Folding Glyph for U+21D0 Leftwards Double Arrow
Script Extension
Vertical Orientation R