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Glifo para U+212F
Fuente: Noto Sans

U+212F Script Small E

U+212F was added in Unicode version 1.1 in 1993. It belongs to the block U+2100 para U+214F Letterlike Symbols in the U+0000 para U+FFFF Basic Multilingual Plane.

This character is a Lowercase Letter and is commonly used, that is, in no specific script. El carácter es también conocido como error y natural exponent.

The glyph is a font version of the glyph Glifo para U+0065 Latin Small Letter E. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+212F forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.

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

The number e is a mathematical constant approximately equal to 2.71828 that is the base of the natural logarithm and exponential function. It is sometimes called Euler's number, after the Swiss mathematician Leonhard Euler, though this can invite confusion with Euler numbers, or with Euler's constant, a different constant typically denoted γ . Alternatively, e can be called Napier's constant after John Napier. The Swiss mathematician Jacob Bernoulli discovered the constant while studying compound interest.

The number e is of great importance in mathematics, alongside 0, 1, π, and i. All five appear in one formulation of Euler's identity e i π + 1 = 0 and play important and recurring roles across mathematics. Like the constant π, e is irrational, meaning that it cannot be represented as a ratio of integers, and moreover it is transcendental, meaning that it is not a root of any non-zero polynomial with rational coefficients. To 30 decimal places, the value of e is:

Representaciones

Sistema Representación
N.º 8495
UTF-8 E2 84 AF
UTF-16 21 2F
UTF-32 00 00 21 2F
URL-Quoted %E2%84%AF
HTML hex reference ℯ
Mojibake mal de windows-1252 ℯ
HTML named entity ℯ
alias error
alias natural exponent
Codificación: GB18030 (hexadecimales bytes) 81 36 BF 37
LATEX \mathscr{e}

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Registro completo

Propiedad Valor
Antigüedad (age) 1.1 (1993)
Nombre Unicode (na) SCRIPT SMALL E
Nombre Unicode 1 (na1)
Block (blk) Letterlike Symbols
Categoría general (gc) Lowercase Letter
Script (sc) Common
Categoría de bidireccionalidad (bc) Left To Right
Combining Class (ccc) Not Reordered
Tipo de descomposición (dt) font
Decomposition Mapping (dm) Glifo para U+0065 Latin Small Letter E
Minúscula (Lower)
Simple Lowercase Mapping (slc) Glifo para U+212F Script Small E
Lowercase Mapping (lc) Glifo para U+212F Script Small E
Mayúscula (Upper)
Simple Uppercase Mapping (suc) Glifo para U+212F Script Small E
Uppercase Mapping (uc) Glifo para U+212F Script Small E
Simple Titlecase Mapping (stc) Glifo para U+212F Script Small E
Titlecase Mapping (tc) Glifo para U+212F Script Small E
Case Folding (cf) Glifo para U+212F Script Small E
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) Glifo para U+212F Script Small E
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)
NFD Quick Check (NFD_QC)
NFKC Casefold (NFKC_CF) Glifo para U+0065 Latin Small Letter E
NFKC Quick Check (NFKC_QC) No
NFKC_SCF (NFKC_SCF) Glifo para U+0065 Latin Small Letter E
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) Lower
Soft Dotted (SD)
Sentence Terminal (STerm)
Terminal Punctuation (Term)
Ideograma unificado (UIdeo)
Selector de variación (VS)
Salto de palabra (WB) Letra alfabética
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) Glifo para U+212F Script Small E
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) Glifo para U+212F Script Small E
Script Extension (scx)
Orientación vertical (vo) R