雜項數學符號-B

雜項數學符號-B是一個位於基本多文種平面的Unicode區塊，收錄了包括括號、角符號和圓圈符号在內的數學符號。

雜項數學符號-B Miscellaneous Mathematical Symbols-B
範圍	U+2980..U+29FF （128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
已分配	128個碼位
未分配	0個保留碼位
Unicode版本歷史
3.2	128 (+128)
官方碼表
點擊此處
註釋：^[1]^[2]

區塊

雜項數學符號-B Miscellaneous Mathematical Symbols-B^[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+298x

⦀

⦁

⦂

⦃

⦄

⦅

⦆

⦇

⦈

⦉

⦊

⦋

⦌

⦍

⦎

⦏

U+299x

⦐

⦑

⦒

⦓

⦔

⦕

⦖

⦗

⦘

⦙

⦚

⦛

⦜

⦝

⦞

⦟

U+29Ax

⦠

⦡

⦢

⦣

⦤

⦥

⦦

⦧

⦨

⦩

⦪

⦫

⦬

⦭

⦮

⦯

U+29Bx

⦰

⦱

⦲

⦳

⦴

⦵

⦶

⦷

⦸

⦹

⦺

⦻

⦼

⦽

⦾

⦿

U+29Cx

⧀

⧁

⧂

⧃

⧄

⧅

⧆

⧇

⧈

⧉

⧊

⧋

⧌

⧍

⧎

⧏

U+29Dx

⧐

⧑

⧒

⧓

⧔

⧕

⧖

⧗

⧘

⧙

⧚

⧛

⧜

⧝

⧞

⧟

U+29Ex

⧠

⧡

⧢

⧣

⧤

⧥

⧦

⧧

⧨

⧩

⧪

⧫

⧬

⧭

⧮

⧯

U+29Fx

⧰

⧱

⧲

⧳

⧴

⧵

⧶

⧷

⧸

⧹

⧺

⧻

⧼

⧽

⧾

⧿

註釋 1.^ 依據 Unicode 14.0

一些符號用於Z notation（英语：Z notation）： U+2981 ⦁ Z NOTATION SPOT U+2982 ⦂ Z NOTATION TYPE COLON U+2987 ⦇ Z NOTATION LEFT IMAGE BRACKET U+2988 ⦈ Z NOTATION RIGHT IMAGE BRACKET U+2989 ⦉ Z NOTATION LEFT BINDING BRACKET U+298A ⦊ Z NOTATION RIGHT BINDING BRACKET

最後兩個符號用於組合博弈論： U+29FE ⧾ TINY U+29FF ⧿ MINY

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+2980..2996, 2999..29D7, 29DC..29E5, 29E7..29FB	117	L2/98-405		Beeton, Barbara; Ion, Patrick, Proposal to encode additional mathematical and technical symbols in ISO/IEC 10646, 1998-12-01
			L2/98-406		Sargent, Murray, Proposal to encode mathematical variant tags, 1998-12-01
			L2/98-419 (pdf, doc （页面存档备份，存于互联网档案馆）)		Aliprand, Joan, Mathematical Symbols, Approved Minutes -- UTC #78 & NCITS Subgroup L2 # 175 Joint Meeting, San Jose, CA -- December 1-4, 1998, 1999-02-05
			L2/99-160		Beeton, Barbara, Proposal to encode mathematical variant tags, 1999-06-01
			L2/99-238		Consolidated document containing 6 Japanese proposals, 1999-07-15
				N2093 （页面存档备份，存于互联网档案馆）	Addition of medical symbols and enclosed numbers, 1999-09-13
			L2/00-010	N2103 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S., 8.8, Minutes of WG 2 meeting 37, Copenhagen, Denmark: 1999-09-13--16, 2000-01-05
			L2/00-002		Beeton, Barbara, Request for assignment of codes to mathematical and technical symbols that do not appear in Unicode 2.0 or ISO/IEC 10646, 2000-01-09
			L2/00-024		Shibano, Kohji, JCS proposal revised, 2000-01-31
			L2/00-005R2		Moore, Lisa, Motion 82-M4, Minutes of UTC #82 in San Jose, 2000-02-14
			L2/00-094	N2191 （页面存档备份，存于互联网档案馆）	Proposal for Encoding Additional Mathematical Symbols in the BMP, 2000-03-14
			L2/00-098, L2/00-098-page5	N2195 （页面存档备份，存于互联网档案馆）	Rationale for non-Kanji characters proposed by JCS committee, 2000-03-15
			L2/00-119	N2191R （页面存档备份，存于互联网档案馆）	Whistler, Ken; Freytag, Asmus, Encoding Additional Mathematical Symbols in Unicode, 2000-04-19
			L2/00-234	N2203 (rtf, txt （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 8.18, 8.20, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21
			L2/00-115R2		Moore, Lisa, Motion 83-M3, 83-M11, and 83-M21, Minutes Of UTC Meeting #83, 2000-08-08
			L2/00-298	N2258 （页面存档备份，存于互联网档案馆）	Sato, T. K., JIS X 0213 symbols part-2, 2000-09-04
			L2/00-342	N2278 （页面存档备份，存于互联网档案馆）	Sato, T. K.; Everson, Michael; Whistler, Ken; Freytag, Asmus, Ad hoc Report on Japan feedback N2257 and N2258, 2000-09-20
			L2/01-050	N2253 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S., 7.16 JIS X0213 Symbols, Minutes of the SC2/WG2 meeting in Athens, September 2000, 2001-01-21
			L2/01-114	N2328 （页面存档备份，存于互联网档案馆）	Summary of Voting on SC 2 N 3503, ISO/IEC 10646-1: 2000/PDAM 1, 2001-03-09
			L2/01-147 (pdf, html （页面存档备份，存于互联网档案馆）)	N2343 （页面存档备份，存于互联网档案馆）	Everson, Michael, Encoding of Long Arrows, 2001-04-03
			L2/01-012R		Moore, Lisa, Motion 86-M19, Minutes UTC #86 in Mountain View, Jan 2001, 2001-05-21
			L2/01-317		Suignard, Michel, Bracket Disunification & Normalization, 2001-08-14
			L2/01-342		Suignard, Michel, T.9 B.1 List of combining characters/Variation selectors, Comments accompanying the US positive vote on the FPDAM 1 to ISO/IEC 10646-1:2001, 2001-09-10
			L2/01-386R	N2389R （页面存档备份，存于互联网档案馆）	Suignard, Michel, Ireland: Negative, Disposition of comments on SC2 N 3530 (FPDAM text for Amendment 1 to ISO/IEC 10646-1:2000) - revised version, 2001-10-26
			L2/13-145	N4434 （页面存档备份，存于互联网档案馆）	Suignard, Michel, Math characters and variation sequences, 2013-07-18
				N4403 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 11.1.1 Math characters and variation sequences, Unconfirmed minutes of WG 2 meeting 61, Holiday Inn, Vilnius, Lithuania; 2013-06-10/14, 2014-01-28
	U+2997..2998, 29D8..29DB, 29E6, 29FC..29FF	11	L2/01-064		Ion, Patrick, Mathematical Variant Symbols, 2001-01-24
			L2/01-067	N2318 （页面存档备份，存于互联网档案馆）	Beeton, Barbara; Freytag, Asmus; Ion, Patrick, Additional Mathematical Symbols, 2001-01-25
			L2/01-142	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
			L2/01-156	N2356 （页面存档备份，存于互联网档案馆）	Freytag, Asmus, Additional Mathematical Characters (Draft 10), 2001-04-03
			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
			L2/01-227		Whistler, Ken, ITEM 2 and 6, WG2 Consent Docket for UTC #87, 2001-05-22
			L2/01-184R		Moore, Lisa, Motion 87-M16, ITEM 2 and 6, 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., 7.7 Mathematical Symbols, Minutes from SC2/WG2 meeting #40 -- Mountain View, April 2001, 2001-09-09
			L2/01-386R	N2389R （页面存档备份，存于互联网档案馆）	Suignard, Michel, Ireland: Negative, Disposition of comments on SC2 N 3530 (FPDAM text for Amendment 1 to ISO/IEC 10646-1:2000) - revised version, 2001-10-26
建議的碼位和字符名稱可能與最終的結果不同。

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

1. . The Unicode Standard. [2016-07-09]. （原始内容存档于2014-03-12）. 
2. . The Unicode Standard. [2016-07-09]. （原始内容存档于2016-06-29）.