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(Top) 1 Character table 2 Compact table 3 History 4 See also 5 References

Miscellaneous Mathematical Symbols-A

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Miscellaneous Mathematical Symbols-A
Range	U+27C0..U+27EF (48 code points)
Plane	BMP
Scripts	Common
Symbol sets	Mathematical notation Logical notation
Assigned	48 code points
Unused	0 reserved code points
Unicode version history

3.2 (2002)	28 (+28)
4.1 (2005)	35 (+7)
5.0 (2006)	39 (+4)
5.1 (2008)	44 (+5)
6.0 (2010)	46 (+2)
6.1 (2012)	48 (+2)

Unicode documentation
Code chart ∣ Web page
Note: ^[1]^[2]

Miscellaneous Mathematical Symbols-A is a Unicode block containing characters for mathematical, logical, and database notation.

Character table

[edit]

Code	Result	Description
U+27C0	⟀	Three dimensional angle
U+27C1	⟁	White triangle containing small white triangle
U+27C2	⟂	Perpendicular
U+27C3	⟃	Open subset
U+27C4	⟄	Open superset
U+27C5	⟅	Left S-shaped bag delimiter
U+27C6	⟆	Right S-shaped bag delimiter
U+27C7	⟇	Or with dot inside
U+27C8	⟈	Reverse solidus preceding subset
U+27C9	⟉	Superset preceding solidus
U+27CA	⟊	Vertical bar with horizontal stroke
U+27CC	⟌	Long division
U+27D0	⟐	White diamond with centered dot
U+27D1	⟑	And with dot
U+27D2	⟒	Element of opening upward
U+27D3	⟓	Lower right corner with dot
U+27D4	⟔	Upper left corner with dot
U+27D5	⟕	Left outer join
U+27D6	⟖	Right outer join
U+27D7	⟗	Full outer join
U+27D8	⟘	Large up tack
U+27D9	⟙	Large down tack
U+27DA	⟚	Left and right double turnstile
U+27DB	⟛	Left and right tack
U+27DC	⟜	Left multimap
U+27DD	⟝	Long right tack
U+27DE	⟞	Long left tack
U+27DF	⟟	Up tack with circle above
U+27E0	⟠	Lozenge divided by horizontal rule
U+27E1	⟡	White concave-sided diamond
U+27E2	⟢	White concave-sided diamond with leftward tick
U+27E3	⟣	White concave-sided diamond with rightward tick
U+27E4	⟤	White square with leftward tick
U+27E5	⟥	White square with rightward tick
U+27E6	⟦	Mathematical left white square bracket
U+27E7	⟧	Mathematical right white square bracket
U+27E8	⟨	Mathematical left angle bracket
U+27E9	⟩	Mathematical right angle bracket
U+27EA	⟪	Mathematical left double angle bracket
U+27EB	⟫	Mathematical right double angle bracket
U+27EC	⟬	Mathematical left white tortoise shell bracket
U+27ED	⟭	Mathematical right white tortoise shell bracket
U+27EE	⟮	Mathematical left flattened parenthesis
U+27EF	⟯	Mathematical right flattened parenthesis

Compact table

[edit]

Miscellaneous Mathematical Symbols-A^[1] Official Unicode Consortium code chart (PDF)
	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
U+27Cx	⟀	⟁	⟂	⟃	⟄	⟅	⟆	⟇	⟈	⟉	⟊	⟋	⟌	⟍	⟎	⟏
U+27Dx	⟐	⟑	⟒	⟓	⟔	⟕	⟖	⟗	⟘	⟙	⟚	⟛	⟜	⟝	⟞	⟟
U+27Ex	⟠	⟡	⟢	⟣	⟤	⟥	⟦	⟧	⟨	⟩	⟪	⟫	⟬	⟭	⟮	⟯
Notes 1.^ As of Unicode version 15.1

History

[edit]

The following Unicode-related documents record the purpose and process of defining specific characters in the Miscellaneous Mathematical Symbols-A block:

Version	Final code points^[a]	Count	L2 ID	WG2 ID	Document
3.2	U+27D0..27E5	22	L2/01-142^[b]	N2336	Beeton, Barbara; Freytag, Asmus; Ion, Patrick (2001-04-02), Additional Mathematical Symbols
			L2/01-227		Whistler, Ken (2001-05-22), "ITEM 3", WG2 Consent Docket for UTC #87
			L2/01-184R		Moore, Lisa (2001-06-18), "Motion 87-M16, ITEM 3", Minutes from the UTC/L2 meeting
			L2/01-344	N2353 (pdf, doc)	Umamaheswaran, V. S. (2001-09-09), "Resolution M40.4", Minutes from SC2/WG2 meeting #40 -- Mountain View, April 2001
	U+27E6..27EB	6	L2/99-052		Freytag, Asmus (1999-02-05), The math pieces from the symbol font
			L2/01-033		Karlsson, Kent; Freytag, Asmus (2001-01-16), Disunify braces/brackets for math, computing science, and Z notation from similar-looking CJK braces/brackets
			L2/01-159	N2344	Ad-hoc report on Mathematical Symbols, 2001-04-03
			L2/01-157	N2345R	Karlsson, Kent (2001-04-04), Proposal to disunify certain fencing CJK punctuation marks from similar-looking Math fences
			L2/01-168		Whistler, Ken (2001-04-10), Bracket Disunification & Normalization Hell
			L2/01-012R		Moore, Lisa (2001-05-21), "Disunifying Braces and Brackets", Minutes UTC #86 in Mountain View, Jan 2001
			L2/01-223		Suignard, Michel (2001-05-23), Discussion of Issues Regarding Bracket Disunification
			L2/01-184R		Moore, Lisa (2001-06-18), "Motion 87-M21", Minutes from the UTC/L2 meeting, Reverse the decision made in motion 86-M6 not to disunify brackets.
			L2/01-317		Suignard, Michel (2001-08-14), Bracket Disunification & Normalization
			L2/01-295R		Moore, Lisa (2001-11-06), "Bracket Disunification and Normalization", Minutes from the UTC/L2 meeting #88
			L2/02-154	N2403	Umamaheswaran, V. S. (2002-04-22), "Resolution M41.1", Draft minutes of WG 2 meeting 41, Hotel Phoenix, Singapore, 2001-10-15/19
4.1	U+27C0..27C1	2	L2/03-187	N2612-6	Pantelia, Maria (2003-06-11), Proposal to encode ancient Greek mathematical characters in the UCS
	U+27C2	1	L2/03-194	N2590	Freytag, Asmus (2003-06-09), Additional Mathematical and Letterlike Characters
	U+27C3..27C6	4	L2/03-410	N2680R	Freytag, Asmus (2003-10-30), Additional Mathematical Characters
			L2/04-098		Suignard, Michel (2004-02-04), "T.10 Miscellaneous Mathematical, item b", Comments accompanying the US positive vote on PDAM1 to ISO/IEC 10646:2003
			L2/04-316		Moore, Lisa (2004-08-19), "100-C6", UTC #100 Minutes
5.0	U+27C7..27C9	3	L2/04-406		Freytag, Asmus; Sargent, Murray; Beeton, Barbara; Carlisle, David (2004-11-15), Progress report on Mathematical Symbols
	U+27C7..27C9	3	L2/04-410		Freytag, Asmus (2004-11-18), Twenty six mathematical characters
	U+27CA	1	L2/05-189	N2958	Lehtiranta, Juhani; Ruppel, Klaas; Suutari, Toni; Trosterud, Trond (2005-07-22), Report on progress in implementing the Uralic Phonetic Alphabet with indication of the need for additional characters and symbols
			L2/05-261	N2989	Ruppel, Klaas; Kolehmainen, Erkki I.; Everson, Michael; Freytag, Asmus; Whistler, Ken (2005-09-13), Proposal to add six additional Uralicist characters to the UCS
			L2/05-270		Whistler, Ken (2005-09-21), "A. Uralicist character additions", WG2 Consent Docket (Sophia Antipolis)
			L2/05-279		Moore, Lisa (2005-11-10), "Consensus 105-C29", UTC #105 Minutes
				N2953 (pdf, doc)	Umamaheswaran, V. S. (2006-02-16), "7.4.7", Unconfirmed minutes of WG 2 meeting 47, Sophia Antipolis, France; 2005-09-12/15
5.1	U+27CC, 27EE..27EF	3	L2/07-011R	N3198R	Freytag, Asmus; Beeton, Barbara; Ion, Patrick; Sargent, Murray; Carlisle, David; Pournader, Roozbeh (2007-01-15), 29 Additional Mathematical and Symbol Characters
			L2/07-015		Moore, Lisa (2007-02-08), "Mathematical Characters and Symbols (C.4)", UTC #110 Minutes
			L2/07-268	N3253 (pdf, doc)	Umamaheswaran, V. S. (2007-07-26), "M50.16", Unconfirmed minutes of WG 2 meeting 50, Frankfurt-am-Main, Germany; 2007-04-24/27
	U+27EC..27ED	2	L2/06-054R	N3040	Freytag, Asmus; Beeton, Barbara; Sargent, Murray (2006-02-09), Proposal for the Addition of Two Mathematical Bracket Characters
			L2/06-008R2		Moore, Lisa (2006-02-13), "C.21", UTC #106 Minutes
				N3103 (pdf, doc)	Umamaheswaran, V. S. (2006-08-25), "M48.22", Unconfirmed minutes of WG 2 meeting 48, Mountain View, CA, USA; 2006-04-24/27
6.0	U+27CE..27CF	2	L2/09-273	N3677	Iancu, Laurențiu (2009-07-28), Proposal to Encode Two Mathematical Symbols
			L2/09-225R		Moore, Lisa (2009-08-17), "D.2.2", UTC #120 / L2 #217 Minutes
			L2/09-359		Iancu, Laurențiu (2009-10-21), Follow-up on Action Item 120-A77
				N3703 (pdf, doc)	Umamaheswaran, V. S. (2010-04-13), "M55.9b", Unconfirmed minutes of WG 2 meeting no. 55, Tokyo 2009-10-26/30
6.1	U+27CB, 27CD	2	L2/09-397		Iancu, Laurențiu (2009-10-26), Proposal to Encode Mathematical Diagonals
			L2/09-335R		Moore, Lisa (2009-11-10), "D.2.1", UTC #121 / L2 #218 Minutes
			L2/10-007R	N3763	Anderson, Deborah; Beeton, Barbara; Iancu, Laurențiu (2010-01-12), Revised Proposal to Encode Mathematical Diagonals
			L2/10-010		Constable, Peter; Iancu, Laurențiu; Sargent, Murray (2010-01-13), Proposal to rename the diagonal symbols U+27CB and U+27CD in the pipeline
			L2/10-015R		Moore, Lisa (2010-02-09), "Consensus 122-C11", UTC #122 / L2 #219 Minutes, Change the name of U+27CB from RISING DIAGONAL to MATHEMATICAL RISING DIAGONAL and U+27CD from FALLING DIAGONAL to MATHEMATICAL FALLING DIAGONAL.
				N3803 (pdf, doc)	"M56.08c", Unconfirmed minutes of WG 2 meeting no. 56, 2010-09-24
^ Proposed code points and characters names may differ from final code points and names ^ Refer to the history section of the Miscellaneous Mathematical Symbols-B block for additional math-related documents

References

[edit]

^ "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.

^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.

Common mathematical notation, symbols, and formulas

Lists of Unicode and LaTeX mathematical symbols

Lists of Unicode symbols

General	List of Unicode characters Unicode block
Alphanumeric	Mathematical Alphanumeric Symbols Blackboard bold Letterlike Symbols Symbols for zero
Arrows and Geometric Shapes	Arrows Miscellaneous Symbols and Arrows Geometric Shapes (Unicode block)
Operators	Mathematical operators and symbols Mathematical Operators (Unicode block)
Supplemental Math Operators	Supplemental Mathematical Operators Number Forms
Miscellaneous	A B Technical ISO 31-11 (Mathematical signs and symbols for use in physical sciences and technology)