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Glyph for U+2145
Source: Noto Sans

U+2145 Double-Struck Italic Capital D

U+2145 was added to Unicode in version 3.2 (2002). It belongs to the block U+2100 to U+214F Letterlike Symbols in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Uppercase Letter and is commonly used, that is, in no specific script.

The glyph is a Font composition of the glyph Glyph for U+0044 Latin Capital Letter D. It has a Neutral East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. The glyph can, under circumstances, be confused with 1 other glyphs. In text U+2145 behaves as Alphabetic regarding line breaks. It has type Upper for sentence and Alphabetic Letter for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

In mathematics, differential refers to several related notions derived from the early days of calculus, put on a rigorous footing, such as infinitesimal differences and the derivatives of functions.

The term is used in various branches of mathematics such as calculus, differential geometry, algebraic geometry and algebraic topology.

Representations

System Representation
8517
UTF-8 E2 85 85
UTF-16 21 45
UTF-32 00 00 21 45
URL-Quoted %E2%85%85
HTML hex reference ⅅ
Wrong windows-1252 Mojibake â……
HTML named entity ⅅ
HTML named entity ⅅ

Related Characters

Confusables

Elsewhere

Complete Record

Property Value
Age 3.2 (2002)
Unicode Name DOUBLE-STRUCK ITALIC CAPITAL D
Unicode 1 Name
Block Letterlike Symbols
General Category Uppercase Letter
Script Common
Bidirectional Category Left To Right
Combining Class Not Reordered
Decomposition Type Font
Decomposition Mapping Glyph for U+0044 Latin Capital Letter D
Lowercase
Simple Lowercase Mapping Glyph for U+2145 Double-Struck Italic Capital D
Lowercase Mapping Glyph for U+2145 Double-Struck Italic Capital D
Uppercase
Simple Uppercase Mapping Glyph for U+2145 Double-Struck Italic Capital D
Uppercase Mapping Glyph for U+2145 Double-Struck Italic Capital D
Simple Titlecase Mapping Glyph for U+2145 Double-Struck Italic Capital D
Titlecase Mapping Glyph for U+2145 Double-Struck Italic Capital D
Case Folding Glyph for U+2145 Double-Struck Italic Capital D
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+0064 Latin Small Letter D
Grapheme Cluster Break Any
Grapheme Base
Grapheme Extend
Grapheme Link
Hex Digit
Hyphen
ID Continue
ID Start
IDS Binary Operator
IDS Trinary Operator and
IDSU 0
ID_Compat_Math_Continue 0
ID_Compat_Math_Start 0
Ideographic
InCB None
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+0064 Latin Small Letter D
NFKC Quick Check No
NFKC_SCF Glyph for U+0064 Latin Small Letter D
NFKD Quick Check No
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 Upper
Soft Dotted
Sentence Terminal
Terminal Punctuation
Unified Ideograph
Variation Selector
Word Break Alphabetic Letter
White Space
XID Continue
XID Start
Expands On NFC
Expands On NFD
Expands On NFKC
Expands On NFKD
Bidi Paired Bracket Glyph for U+2145 Double-Struck Italic Capital D
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+2145 Double-Struck Italic Capital D
Script Extension
Vertical Orientation U