雜項數學符號-A

雜項數學符號-A; Miscellaneous Mathematical; Symbols-A
範圍	U+27C0..U+27EF; （48個碼位）
平面	基本多文種平面（BMP）
文字	通用
符號系列	數學符號; 邏輯符號
已分配	48個碼位
未分配	0個保留碼位
統一碼版本歷史
3.2	28 (+28)
4.1	35 (+7)
5.0	39 (+4)
5.1	44 (+5)
6.0	46 (+2)
6.1	48 (+2)
碼表
	點擊此處
	註釋：

雜項數學符號-A是一個位於基本多文種平面的Unicode區塊，包含了數學符號、邏輯符號與數據庫符號。

區塊

雜項數學符號-A Miscellaneous Mathematical Symbols-A^[1] Unicode Consortium 官方碼表（PDF）
	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
U+27Cx	⟀	⟁	⟂	⟃	⟄	⟅	⟆	⟇	⟈	⟉	⟊	⟋	⟌	⟍	⟎	⟏
U+27Dx	⟐	⟑	⟒	⟓	⟔	⟕	⟖	⟗	⟘	⟙	⟚	⟛	⟜	⟝	⟞	⟟
U+27Ex	⟠	⟡	⟢	⟣	⟤	⟥	⟦	⟧	⟨	⟩	⟪	⟫	⟬	⟭	⟮	⟯
註釋 1.^ 依據 Unicode 14.0

歷史

以下Unicode文檔記錄了定義本區塊中特定字符的目的與過程：

版本	最終碼位^[a]	碼位数	L2（英语：International Committee for Information Technology Standards） ID	WG2（英语：ISO/IEC JTC 1/SC 2） ID	文檔
3.2	U+27D0..27E5	22	L2/01-142^[b]	N2336 （页面存档备份，存于互联网档案馆）	Beeton, Barbara; Freytag, Asmus; Ion, Patrick, Additional Mathematical Symbols, 2001-04-02
			L2/01-227		Whistler, Ken, ITEM 3, WG2 Consent Docket for UTC #87, 2001-05-22
			L2/01-184R		Moore, Lisa, Motion 87-M16, ITEM 3, Minutes from the UTC/L2 meeting, 2001-06-18
			L2/01-344	N2353 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., Resolution M40.4, Minutes from SC2/WG2 meeting #40 -- Mountain View, April 2001, 2001-09-09
	U+27E6..27EB	6	L2/99-052		Freytag, Asmus, The math pieces from the symbol font, 1999-02-05
			L2/01-033		Karlsson, Kent; Freytag, Asmus, Disunify braces/brackets for math, computing science, and Z notation from similar-looking CJK braces/brackets, 2001-01-16
			L2/01-159	N2344 （页面存档备份，存于互联网档案馆）	Ad-hoc report on Mathematical Symbols, 2001-04-03
			L2/01-157	N2345R （页面存档备份，存于互联网档案馆）	Karlsson, Kent, Proposal to disunify certain fencing CJK punctuation marks from similar-looking Math fences, 2001-04-04
			L2/01-168		Whistler, Ken, Bracket Disunification & Normalization Hell, 2001-04-10
			L2/01-012R		Moore, Lisa, Disunifying Braces and Brackets, Minutes UTC #86 in Mountain View, Jan 2001, 2001-05-21
			L2/01-223		Suignard, Michel, Discussion of Issues Regarding Bracket Disunification, 2001-05-23
			L2/01-184R		Moore, Lisa, Motion 87-M21, Minutes from the UTC/L2 meeting, 2001-06-18, Reverse the decision made in motion 86-M6 not to disunify brackets.
			L2/01-317		Suignard, Michel, Bracket Disunification & Normalization, 2001-08-14
			L2/01-295R		Moore, Lisa, Bracket Disunification and Normalization, Minutes from the UTC/L2 meeting #88, 2001-11-06
			L2/02-154	N2403 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S., Resolution M41.1, Draft minutes of WG 2 meeting 41, Hotel Phoenix, Singapore, 2001-10-15/19, 2002-04-22
4.1	U+27C0..27C1	2	L2/03-187	N2612-6	Pantelia, Maria, Proposal to encode ancient Greek mathematical characters in the UCS, 2003-06-11
	U+27C2	1	L2/03-194	N2590 （页面存档备份，存于互联网档案馆）	Freytag, Asmus, Additional Mathematical and Letterlike Characters, 2003-06-09
	U+27C3..27C6	4	L2/03-410	N2680R （页面存档备份，存于互联网档案馆）	Freytag, Asmus, Additional Mathematical Characters, 2003-10-30
			L2/04-098		Suignard, Michel, T.10 Miscellaneous Mathematical, item b, Comments accompanying the US positive vote on PDAM1 to ISO/IEC 10646:2003, 2004-02-04
			L2/04-316		Moore, Lisa, 100-C6, UTC #100 Minutes, 2004-08-19
5.0	U+27C7..27C9	3	L2/04-406		Freytag, Asmus; Sargent, Murray; Beeton, Barbara; Carlisle, David, Progress report on Mathematical Symbols, 2004-11-15
	U+27C7..27C9	3	L2/04-410		Freytag, Asmus, Twenty six mathematical characters, 2004-11-18
	U+27CA	1	L2/05-189	N2958 （页面存档备份，存于互联网档案馆）	Lehtiranta, Juhani; Ruppel, Klaas; Suutari, Toni; Trosterud, Trond, Report on progress in implementing the Uralic Phonetic Alphabet with indication of the need for additional characters and symbols, 2005-07-22
			L2/05-261	N2989 （页面存档备份，存于互联网档案馆）	Ruppel, Klaas; Kolehmainen, Erkki I.; Everson, Michael; Freytag, Asmus; Whistler, Ken, Proposal to add six additional Uralicist characters to the UCS, 2005-09-13
			L2/05-270		Whistler, Ken, A. Uralicist character additions, WG2 Consent Docket (Sophia Antipolis), 2005-09-21
			L2/05-279		Moore, Lisa, Consensus 105-C29, UTC #105 Minutes, 2005-11-10
				N2953 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 7.4.7, Unconfirmed minutes of WG 2 meeting 47, Sophia Antipolis, France; 2005-09-12/15, 2006-02-16
5.1	U+27CC, 27EE..27EF	3	L2/07-011R	N3198R （页面存档备份，存于互联网档案馆）	Freytag, Asmus; Beeton, Barbara; Ion, Patrick; Sargent, Murray; Carlisle, David; Pournader, Roozbeh, 29 Additional Mathematical and Symbol Characters, 2007-01-15
			L2/07-015		Moore, Lisa, Mathematical Characters and Symbols (C.4), UTC #110 Minutes, 2007-02-08
			L2/07-268	N3253 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M50.16, Unconfirmed minutes of WG 2 meeting 50, Frankfurt-am-Main, Germany; 2007-04-24/27, 2007-07-26
	U+27EC..27ED	2	L2/06-054R	N3040 （页面存档备份，存于互联网档案馆）	Freytag, Asmus; Beeton, Barbara; Sargent, Murray, Proposal for the Addition of Two Mathematical Bracket Characters, 2006-02-09
			L2/06-008R2		Moore, Lisa, C.21, UTC #106 Minutes, 2006-02-13
				N3103 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M48.22, Unconfirmed minutes of WG 2 meeting 48, Mountain View, CA, USA; 2006-04-24/27, 2006-08-25
6.0	U+27CE..27CF	2	L2/09-273	N3677 （页面存档备份，存于互联网档案馆）	Iancu, Laurențiu, Proposal to Encode Two Mathematical Symbols, 2009-07-28
			L2/09-225R		Moore, Lisa, D.2.2, UTC #120 / L2 #217 Minutes, 2009-08-17
			L2/09-359		Iancu, Laurențiu, Follow-up on Action Item 120-A77, 2009-10-21
				N3703 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M55.9b, Unconfirmed minutes of WG 2 meeting no. 55, Tokyo 2009-10-26/30, 2010-04-13
6.1	U+27CB, 27CD	2	L2/09-397		Iancu, Laurențiu, Proposal to Encode Mathematical Diagonals, 2009-10-26
			L2/09-335R		Moore, Lisa, D.2.1, UTC #121 / L2 #218 Minutes, 2009-11-10
			L2/10-007R	N3763 （页面存档备份，存于互联网档案馆）	Anderson, Deborah; Beeton, Barbara; Iancu, Laurențiu, Revised Proposal to Encode Mathematical Diagonals, 2010-01-12
			L2/10-010		Constable, Peter; Iancu, Laurențiu; Sargent, Murray, Proposal to rename the diagonal symbols U+27CB and U+27CD in the pipeline, 2010-01-13
			L2/10-015R		Moore, Lisa, Consensus 122-C11, UTC #122 / L2 #219 Minutes, 2010-02-09, 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 （页面存档备份，存于互联网档案馆）)	M56.08c, Unconfirmed minutes of WG 2 meeting no. 56, 2010-09-24
^ 建議的碼位和字符名稱可能與最終的結果不同。 ^ 參閱「雜項數學符號-B」區塊的歷史一節以查看更多與數學有關的文檔。

另見

Unicode中的數學運算符與符號（英语：Mathematical operators and symbols in Unicode）

參考資料

^ Unicode character database. The Unicode Standard. [2016-07-09]. （原始内容存档于2014-03-12）.
^ Enumerated Versions of The Unicode Standard. The Unicode Standard. [2016-07-09]. （原始内容存档于2016-06-29）.

[final-3] 建議的碼位和字符名稱可能與最終的結果不同。

[mathdocs-4] 參閱「雜項數學符號-B」區塊的歷史一節以查看更多與數學有關的文檔。

[1] Unicode character database. The Unicode Standard. [2016-07-09]. （原始内容存档于2014-03-12）.

[2] Enumerated Versions of The Unicode Standard. The Unicode Standard. [2016-07-09]. （原始内容存档于2016-06-29）.

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[2]

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