Source: Noto Sans Math

U+2AF1 Down Tack with Circle Below

U+2AF1 was added in Unicode version 3.2 in 2002. It belongs to the block U+2A00 to U+2AFF Supplemental Mathematical Operators in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Math Symbol and is commonly used, that is, in no specific script. Znak jest również znany jako necessarily satisfies.

The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. The word that U+2AF1 forms with similar adjacent characters prevents a line break inside it.

Reprezentacje

System	Reprezentacje
Nº	10993
UTF-8	E2 AB B1
UTF-16	2A F1
UTF-32	00 00 2A F1
Adres URL cytowany	%E2%AB%B1
HTML hex reference	⫱
Błędne windows-1252 Mojibake	â«±
HTML named entity	&topcir;
alias	necessarily satisfies
Kodowanie: GB18030 (hex bajtów)	81 38 A2 37

Gdzie indziej

Kompletny opis

Właściwość	Wartość
Age (age)	3.2 (2002)
Unicode Name (na)	DOWN TACK WITH CIRCLE BELOW
Unicode 1 Name (na1)	—
Block (blk)	Supplemental Arrows-C
General Category (gc)	Math Symbol
Script (sc)	Common
Bidirectional Category (bc)	Other Neutral
Combining Class (ccc)	Not Reordered
Decomposition Type (dt)	none
Decomposition Mapping (dm)	Down Tack with Circle Below
Lowercase (Lower)	✘︎
Simple Lowercase Mapping (slc)	Down Tack with Circle Below
Lowercase Mapping (lc)	Down Tack with Circle Below
Uppercase (Upper)	✘︎
Simple Uppercase Mapping (suc)	Down Tack with Circle Below
Uppercase Mapping (uc)	Down Tack with Circle Below
Simple Titlecase Mapping (stc)	Down Tack with Circle Below
Titlecase Mapping (tc)	Down Tack with Circle Below
Case Folding (cf)	Down Tack with Circle Below
ASCII Hex Digit (AHex)	✘︎
Alphabetic (Alpha)	✘︎
Bidi Control (Bidi_C)	✘︎
Bidi Mirrored (Bidi_M)	✘︎
Composition Exclusion (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)	✘︎
Full Composition Exclusion (Comp_Ex)	✘︎
Default Ignorable Code Point (DI)	✘︎
Dash (Dash)	✘︎
Deprecated (Dep)	✘︎
Diacritic (Dia)	✘︎
Emoji Modifier Base (EBase)	✘︎
Emoji Component (EComp)	✘︎
Emoji Modifier (EMod)	✘︎
Emoji Presentation (EPres)	✘︎
Emoji (Emoji)	✘︎
Extender (Ext)	✘︎
Extended Pictographic (ExtPict)	✘︎
FC NFKC Closure (FC_NFKC)	Down Tack with Circle Below
Grapheme Cluster Break (GCB)	Any
Grapheme Base (Gr_Base)	✔︎
Grapheme Extend (Gr_Ext)	✘︎
Grapheme Link (Gr_Link)	✘︎
Hex Digit (Hex)	✘︎
Hyphen (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)	Yes
NFD Quick Check (NFD_QC)	Yes
NFKC Casefold (NFKC_CF)	Down Tack with Circle Below
NFKC Quick Check (NFKC_QC)	Yes
NFKC_SCF (NFKC_SCF)	Down Tack with Circle Below
NFKD Quick Check (NFKD_QC)	Yes
Other Alphabetic (OAlpha)	✘︎
Other Default Ignorable Code Point (ODI)	✘︎
Other Grapheme Extend (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)	✘︎
Quotation Mark (QMark)	✘︎
Regional Indicator (RI)	✘︎
Radical (Radical)	✘︎
Sentence Break (SB)	Other
Soft Dotted (SD)	✘︎
Sentence Terminal (STerm)	✘︎
Terminal Punctuation (Term)	✘︎
Unified Ideograph (UIdeo)	✘︎
Variation Selector (VS)	✘︎
Word Break (WB)	Other
White Space (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)	Down Tack with Circle Below
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
Wartość liczbowa (nv)	not a number
Simple Case Folding (scf)	Down Tack with Circle Below
Script Extension (scx)
Vertical Orientation (vo)	R