Fuente: Noto Sans Math

U+2249 Not Almost Equal To

U+2249 was added in Unicode version 1.1 in 1993. It belongs to the block U+2200 para U+22FF Mathematical Operators in the U+0000 para U+FFFF Basic Multilingual Plane.

This character is a Puntuación matemática and is commonly used, that is, in no specific script.

The glyph is a canonical composition of the glyphs Almost Equal To, Combining Long Solidus Overlay. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored. The word that U+2249 forms with similar adjacent characters prevents a line break inside it.

El Wikipedia tiene la siguiente información acerca de este punto de código:

La aproximación es una representación inexacta que, sin embargo, es suficientemente fiel como para ser útil. Esta aproximación nunca es utilizada en ciencias exactas a grado profesional debido a la pérdida de información.
Aunque en matemáticas la aproximación típicamente se aplica a números, también puede aplicarse a objetos tales como las funciones matemáticas, figuras geométricas o leyes físicas.

Representaciones

Sistema	Representación
N.º	8777
UTF-8	E2 89 89
UTF-16	22 49
UTF-32	00 00 22 49
URL-Quoted	%E2%89%89
HTML hex reference	≉
Mojibake mal de windows-1252	â‰‰
HTML named entity	&NotTildeTilde;
HTML named entity	&nap;
HTML named entity	&napprox;
Codificación: GB18030 (hexadecimales bytes)	81 36 D6 36
L^AT_EX	\not\approx

Otros sitios

Registro completo

Propiedad	Valor
Antigüedad (age)	1.1 (1993)
Nombre Unicode (na)	NOT ALMOST EQUAL TO
Nombre Unicode 1 (na1)	—
Block (blk)	Mathematical Operators
Categoría general (gc)	Puntuación matemática
Script (sc)	Common
Categoría de bidireccionalidad (bc)	Other Neutral
Combining Class (ccc)	Not Reordered
Tipo de descomposición (dt)	canonical
Decomposition Mapping (dm)	Almost Equal To Combining Long Solidus Overlay
Minúscula (Lower)	✘
Simple Lowercase Mapping (slc)	Not Almost Equal To
Lowercase Mapping (lc)	Not Almost Equal To
Mayúscula (Upper)	✘
Simple Uppercase Mapping (suc)	Not Almost Equal To
Uppercase Mapping (uc)	Not Almost Equal To
Simple Titlecase Mapping (stc)	Not Almost Equal To
Titlecase Mapping (tc)	Not Almost Equal To
Case Folding (cf)	Not Almost Equal To
ASCII Hex Digit (AHex)	✘
Alphabetic (Alpha)	✘
Bidi Control (Bidi_C)	✘
Bidi Mirrored (Bidi_M)	✔
Exclusión de descomposición (CE)	✘
Case Ignorable (CI)	✘
Changes When Casefolded (CWCF)	✘
Changes When Casemapped (CWCM)	✘
Changes When NFKC Casefolded (CWKCF)	✘
Changes When Lowercased (CWL)	✘
Changes When Titlecased (CWT)	✘
Changes When Uppercased (CWU)	✘
Cased (Cased)	✘
Exclusión de composición completa (Comp_Ex)	✘
Default Ignorable Code Point (DI)	✘
Raya (Dash)	✘
Deprecated (Dep)	✘
Diacrítico (Dia)	✘
Base de modificador de emoyi (EBase)	✘
Componente de emoyi (EComp)	✘
Modificador de emoyi (EMod)	✘
Presentación de emoyi (EPres)	✘
Emoyi (Emoji)	✘
Extender (Ext)	✘
Extended Pictographic (ExtPict)	✘
FC NFKC Closure (FC_NFKC)	Not Almost Equal To
Grapheme Cluster Break (GCB)	Any
Base de grafema (Gr_Base)	✔
Extensión de grafema (Gr_Ext)	✘
Enlace de grafema (Gr_Link)	✘
Hex Digit (Hex)	✘
Guion (Hyphen)	✘
ID Continue (IDC)	✘
ID Start (IDS)	✘
IDS Binary Operator (IDSB)	✘
IDS Trinary Operator and (IDST)	✘
IDSU (IDSU)	0
ID_Compat_Math_Continue (ID_Compat_Math_Continue)	0
ID_Compat_Math_Start (ID_Compat_Math_Start)	0
Ideographic (Ideo)	✘
InCB (InCB)	None
Indic Mantra Category (InMC)	—
Indic Positional Category (InPC)	NA
Indic Syllabic Category (InSC)	Other
Jamo Short Name (JSN)	—
Join Control (Join_C)	✘
Logical Order Exception (LOE)	✘
Modifier Combining Mark (MCM)	✘
Math (Math)	✔
Noncharacter Code Point (NChar)	✘
NFC Quick Check (NFC_QC)	Sí
NFD Quick Check (NFD_QC)	No
NFKC Casefold (NFKC_CF)	Not Almost Equal To
NFKC Quick Check (NFKC_QC)	Sí
NFKC_SCF (NFKC_SCF)	Not Almost Equal To
NFKD Quick Check (NFKD_QC)	No
Other Alphabetic (OAlpha)	✘
Other Default Ignorable Code Point (ODI)	✘
Otra extensión de grafema (OGr_Ext)	✘
Other ID Continue (OIDC)	✘
Other ID Start (OIDS)	✘
Other Lowercase (OLower)	✘
Other Math (OMath)	✘
Other Uppercase (OUpper)	✘
Prepended Concatenation Mark (PCM)	✘
Pattern Syntax (Pat_Syn)	✔
Pattern White Space (Pat_WS)	✘
Comilla (QMark)	✘
Indicador regional (RI)	✘
Radical (Radical)	✘
Salto de oración (SB)	Other
Soft Dotted (SD)	✘
Sentence Terminal (STerm)	✘
Terminal Punctuation (Term)	✘
Ideograma unificado (UIdeo)	✘
Selector de variación (VS)	✘
Salto de palabra (WB)	Other
Espacio en blanco (WSpace)	✘
XID Continue (XIDC)	✘
XID Start (XIDS)	✘
Expands On NFC (XO_NFC)	✘
Expands On NFD (XO_NFD)	✔
Expands On NFKC (XO_NFKC)	✘
Expands On NFKD (XO_NFKD)	✔
Bidi Paired Bracket (bpb)	Not Almost Equal To
Bidi Paired Bracket Type (bpt)	None
East Asian Width (ea)	neutral
Hangul Syllable Type (hst)	Not Applicable
ISO 10646 Comment (isc)	—
Joining Group (jg)	No_Joining_Group
Joining Type (jt)	Non Joining
Line Break (lb)	Alphabetic
Numeric Type (nt)	none
Valor numérico (nv)	not a number
Simple Case Folding (scf)	Not Almost Equal To
Script Extension (scx)
Orientación vertical (vo)	R