類字母符號

類字母符號是一個位於基本多文種平面的Unicode區塊，包含了80個字元，其主要由一個或多個字母的字形構成。 除此之外，Unicode還有一個由字母構成的數學字母數字符號區塊，不過Unicode沒有明確地將這些字元歸類為「類字母符號」。^[3]

類字母符號 Letterlike Symbols
範圍	U+2100..U+214F （80個碼位）
平面	基本多文種平面（BMP）
文字	希臘字母（1個） 拉丁字母（4個） 通用（75個）
符號系列	數學 縮寫
已分配	80個碼位
未分配	0個保留碼位
統一碼版本歷史
1.0.0	57 (+57)
3.0	59 (+2)
3.2	74 (+15)
4.0	75 (+1)
4.1	77 (+2)
5.0	79 (+2)
5.1	80 (+1)
相關區塊
羅馬符號
碼表
點擊此處
註釋：[1][2]

字元表

類字母符號^[4]

字元	圖像	名稱	英文名	碼位
℀		百分比	Account Of	2100
℁			Addressed To The Subject	2101
ℂ		複數	Double-Struck Capital C	2102
℃		攝氏度	Degree Celsius	2103
℄			Centre line Symbol	2104
℅			Care Of	2105
℆			Cada Una	2106
ℇ			Euler constant	2107
℈		吩	Scruple	2108
℉		華氏度	Degree Fahrenheit	2109
ℊ		G	Script Small G	210a
ℋ		H	Script Capital H	210b
ℌ			Black-Letter Capital H	210c
ℍ			Double-Struck Capital H	210d
ℎ		普朗克常數	Planck constant	210e
ℏ		2π普朗克常數	Planck Constant Over Two Pi	210f
ℐ		I	Script Capital I	2110
ℑ			Black-Letter Capital I	2111
ℒ		L	Script Capital L	2112
ℓ			Script Small L (LaTeX: \ell)	2113
℔			L B Bar Symbol	2114
ℕ			Double-Struck Capital N	2115
№		編號	Numero sign	2116
℗		錄音著作權符號	Sound recording copyright symbol	2117
℘		p 函數	Script Capital P	2118
ℙ		P	Double-Struck Capital P	2119
ℚ		有理數	Double-Struck Capital Q	211a
ℛ		R	Script Capital R	211b
ℜ		R	Black-Letter Capital R	211c
ℝ		實數	Double-Struck Capital R	211d
℞		藥品處方	Prescription Take	211e
℟			Response	211f
℠		服務商標	Service mark	2120
℡		電話	Telephone Sign	2121
™		註冊商標	Trademark Sign	2122
℣			Versicle	2123
ℤ		Z	Double-Struck Capital Z	2124
℥		盎司	Ounce Sign	2125
Ω		歐姆	Ohm Sign	2126
℧		顛倒歐姆	Inverted Ohm Sign	2127
ℨ		Z	Black-Letter Capital Z	2128
℩		Iota	Turned Greek Small Letter Iota	2129
K		開爾文	Kelvin Sign	212a
Å		埃格斯特朗	Ångström Sign	212b
ℬ		B	Script Capital B	212c
ℭ		C	Black-Letter Capital C	212d
℮		估計符號（英語：Estimated sign）	Estimated symbol	212e
ℯ		e	Script Small E	212f
ℰ		E	Script Capital E	2130
ℱ		F	Script Capital F	2131
Ⅎ		F	Turned Capital F	2132
ℳ		M	Script Capital M	2133
ℴ		o	Script Small O	2134
ℵ		Alef	Alef Symbol	2135
ℶ		Bet	Bet Symbol	2136
ℷ		Gimel	Gimel Symbol	2137
ℸ		Dalet	Dalet Symbol	2138
ℹ		資訊來源	Information Source	2139
℺			Rotated Capital Q	213a
℻		傳真符號	Fax Sign	213b
ℼ			Double-Struck Small Pi	213c
ℽ			Double-Struck Small Gamma	213d
ℾ			Double-Struck Capital Gamma	213e
ℿ			Double-Struck Capital Pi	213f
⅀			Double–Struck N–Ary Summation	2140
⅁			Turned Sans-Serif Capital G	2141
⅂			Turned Sans-Serif Capital L	2142
⅃			Reversed Sans-Serif Capital L	2143
⅄			Turned Sans-Serif Capital Y	2144
ⅅ			Double-Struck Italic Capital D	2145
ⅆ			Double-Struck Italic Small D	2146
ⅇ			Double-Struck Italic Small E	2147
ⅈ			Double-Struck Italic Small I	2148
ⅉ			Double-Struck Italic Small J	2149
⅊		界址符號	Property line	214a
⅋		反&	Turned Ampersand	214b
⅌		比	Per Sign	214c
⅍		丹麥股份公司（英語：Aktieselskab）	Aktieselskab	214d
ⅎ			Turned Small F	214e
⅏			Symbol for Samaritan Source	214f

變體序列

字形變體

本區塊為標準化變體定義了8個變體序列^[5]。採用U+FE00 ︀ VARIATION SELECTOR-1（VS01）呈現教會體（英語：Chancery hand）樣式的符號，採用U+FE01 ︁ VARIATION SELECTOR-2（VS02）呈現圓手寫體樣式的符號（取決於字體）：

	基本	VS01	VS02
U+210B	ℋ	ℋ︀	ℋ︁
U+2110	ℐ	ℐ︀	ℐ︁
U+2112	ℒ	ℒ︀	ℒ︁
U+211B	ℛ	ℛ︀	ℛ︁
U+212C	ℬ	ℬ︀	ℬ︁
U+2130	ℰ	ℰ︀	ℰ︁
U+2131	ℱ	ℱ︀	ℱ︁
U+2133	ℳ	ℳ︀	ℳ︁

其餘的字元見於數學字母數字符號區塊。

繪文字

本區塊包含2個繪文字：U+2122與U+2139。^[6][7]

此區塊共定義了4個標準化變體，為2個基本字元指定顯示樣式：採用U+FE0E ︎ VARIATION SELECTOR-15（VS15）以文字顯示，或採用U+FE0F ️ VARIATION SELECTOR-16（VS16）以繪文字顯示，基本字元默認以文字顯示。^[8]

繪文字變體序列

U+	2122	2139
基本碼位	™	ℹ
基本+VS15（文字）	™︎	ℹ︎
基本+VS16（繪文字）	™️	ℹ️

區塊

類字母符號 Letterlike Symbols[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+210x

℀

℁

ℂ

℃

℄

℅

℆

ℇ

℈

℉

ℊ

ℋ

ℌ

ℍ

ℎ

ℏ

U+211x

ℐ

ℑ

ℒ

ℓ

℔

ℕ

№

℗

℘

ℙ

ℚ

ℛ

ℜ

ℝ

℞

℟

U+212x

℠

℡

™

℣

ℤ

℥

Ω

℧

ℨ

℩

K

Å

ℬ

ℭ

℮

ℯ

U+213x

ℰ

ℱ

Ⅎ

ℳ

ℴ

ℵ

ℶ

ℷ

ℸ

ℹ

℺

℻

ℼ

ℽ

ℾ

ℿ

U+214x

⅀

⅁

⅂

⅃

⅄

ⅅ

ⅆ

ⅇ

ⅈ

ⅉ

⅊

⅋

⅌

⅍

ⅎ

⅏

註釋 1.^ 依據 Unicode 14.0

歷史

下列與Unicode相關的文件記錄了在本區塊中定義特定字元的目的和過程：

版本	最終碼位[a]	碼位數	UTC ID	L2（英語：International Committee for Information Technology Standards） ID	WG2（英語：ISO/IEC JTC 1/SC 2） ID	文件
1.0.0	U+2100..2138	57				（待考）
				L2/98-419 (pdf, doc （頁面存檔備份，存於互聯網檔案館）)		Aliprand, Joan, Script capital P, Approved Minutes -- UTC #78 & NCITS Subgroup L2 # 175 Joint Meeting, San Jose, CA -- December 1-4, 1998, 1999-02-05
			UTC/1999-017			Davis, Mark, Data cross-checks (for Agenda), 1999-06-02
				L2/99-176R		Moore, Lisa, Data Cross-Checks, Minutes from the joint UTC/L2 meeting in Seattle, June 8-10, 1999, 1999-11-04
				L2/05-137		Freytag, Asmus, Handling "defective" names, 2005-05-10
				L2/05-108R		Moore, Lisa, Consensus 103-C7, UTC #103 Minutes, 2005-08-26, Create a "Normative Name Alias" property and file in the UCD. Populate the property with names from the sections "Typos" and "Bad or misleading names" from document L2/05-137.
				L2/10-221		Moore, Lisa, B.13.3 [U+2107, U+2118], UTC #124 / L2 #221 Minutes, 2010-08-23
					N3903 (pdf, doc （頁面存檔備份，存於互聯網檔案館）)	M57.06, Unconfirmed minutes of WG2 meeting 57, 2011-03-31, WG2 accepts to add the formal name alias "WEIERSTRASS ELLIPTIC FUNCTION" to 2118 SCRIPT CAPITAL P.
				L2/15-050R[b][c]		Davis, Mark; et al, Additional variation selectors for emoji, 2015-01-29
				L2/20-275R		Sargent, Murray, Proposed variation sequences for math calligraphic letters, 2021-01-05
				L2/20-281		Hudson, John, Recent evolution of math alphabetic calligraphic script style, 2020-11-10
				L2/21-016R		Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Liang, Hai, 25 Math Calligraphic Alphabets, Recommendations to UTC #166 January 2021 on Script Proposals, 2021-01-14
				L2/21-009		Moore, Lisa, Consensus 166-C33, UTC #166 Minutes, 2021-01-27, The UTC accepts 52 variation sequences to distinguish roundhand and chancery style mathematical script alphabetic characters
3.0	U+2139	1			N1138	LaBonté, Alain, Proposal to add new characters (Keyboard related) to 10646, 1995-01-30
					N1203 （頁面存檔備份，存於互聯網檔案館）	Umamaheswaran, V. S.; Ksar, Mike, 6.1.6, Unconfirmed minutes of SC2/WG2 Meeting 27, Geneva, 1995-05-03
					N1303 (html, doc （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S.; Ksar, Mike, Minutes of Meeting 29, Tokyo, 1996-01-26
				L2/97-128	N1564	Paterson, Bruce, Draft pDAM for various additional characters (the "holding bucket"), 1997-05-15
				L2/97-288	N1603 （頁面存檔備份，存於互聯網檔案館）	Umamaheswaran, V. S., 7.3, Unconfirmed Meeting Minutes, WG 2 Meeting # 33, Heraklion, Crete, Greece, 20 June – 4 July 1997, 1997-10-24
				L2/98-005R	N1682	Text of ISO 10646 - AMD 22 for PDAM registration and PDAM ballot, 1997-12-17
				L2/98-320	N1898 （頁面存檔備份，存於互聯網檔案館）	ISO/IEC 10646-1/FPDAM 22, AMENDMENT 22: Keyboard Symbols, 1998-10-22
					N1897 （頁面存檔備份，存於互聯網檔案館）	Paterson, Bruce; Everson, Michael, Disposition of Comments - FPDAM22 - Keyboard Symbols - SC2 N3191, 1998-10-22
				L2/99-010	N1903 (pdf, html （頁面存檔備份，存於互聯網檔案館）, doc （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30
				L2/99-126		Paterson, Bruce, Text for FDAM ballot ISO/IEC 10646 FDAM #22 - Keyboard symbols, 1999-04-14
				L2/11-438[d][c]	N4182 （頁面存檔備份，存於互聯網檔案館）	Edberg, Peter, Emoji Variation Sequences (Revision of L2/11-429), 2011-12-22
	U+213A	1		L2/98-215	N1748 （頁面存檔備份，存於互聯網檔案館）	Everson, Michael, Additional signature mark characters for the UCS, 1998-05-25
				L2/98-281R (pdf, html （頁面存檔備份，存於互聯網檔案館）)		Aliprand, Joan, Signature Marks (IV.C.7), Unconfirmed Minutes – UTC #77 & NCITS Subgroup L2 # 174 JOINT MEETING, Redmond, WA -- July 29-31, 1998, 1998-07-31
				L2/98-292R (pdf, html （頁面存檔備份，存於互聯網檔案館）, Figure 1 （頁面存檔備份，存於互聯網檔案館）)		2.7, Comments on proposals to add characters from ISO standards developed by ISO/TC 46/SC 4, 1998-08-19
				L2/98-292	N1840 （頁面存檔備份，存於互聯網檔案館）	2.7, Comments on proposals to add characters from ISO standards developed by ISO/TC 46/SC 4, 1998-08-25
				L2/98-301	N1847 （頁面存檔備份，存於互聯網檔案館）	Everson, Michael, Responses to NCITS/L2 and Unicode Consortium comments on numerous proposals, 1998-09-12
				L2/98-372	N1884R2 (pdf, doc （頁面存檔備份，存於互聯網檔案館）)	Whistler, Ken; et al, Additional Characters for the UCS, 1998-09-22
				L2/98-329	N1920 （頁面存檔備份，存於互聯網檔案館）	Combined PDAM registration and consideration ballot on WD for ISO/IEC 10646-1/Amd. 30, AMENDMENT 30: Additional Latin and other characters, 1998-10-28
				L2/99-010	N1903 (pdf, html （頁面存檔備份，存於互聯網檔案館）, doc （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., 8.1.5.1, Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30
3.2	U+213D..2149, 214B	14		L2/00-119[e]	N2191R （頁面存檔備份，存於互聯網檔案館）	Whistler, Ken; Freytag, Asmus, Encoding Additional Mathematical Symbols in Unicode, 2000-04-19
				L2/00-234	N2203 (rtf, txt （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., 8.18, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21
				L2/00-115R2		Moore, Lisa, Motion 83-M11, Minutes Of UTC Meeting #83, 2000-08-08
				L2/01-050	N2253 （頁面存檔備份，存於互聯網檔案館）	Umamaheswaran, V. S., RESOLUTION M39.24, Minutes of the SC2/WG2 meeting in Athens, September 2000, 2001-01-21
				L2/01-012R		Moore, Lisa, Motion 86-M32, Minutes UTC #86 in Mountain View, Jan 2001, 2001-05-21, Change the name of the proposed character at U+2140 from DOUBLE STRUCK CAPITAL SIGMA to DOUBLE STRUCK N-ARY SUMMATION.
				L2/01-227		Whistler, Ken, ITEM 5, WG2 Consent Docket for UTC #87, 2001-05-22
				L2/01-184R		Moore, Lisa, Motion 87-M16, ITEM 5, Minutes from the UTC/L2 meeting, 2001-06-18
				L2/01-344	N2353 (pdf, doc （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., SE6, Minutes from SC2/WG2 meeting #40 -- Mountain View, April 2001, 2001-09-09
	U+214A	1		L2/98-374	N1887R （頁面存檔備份，存於互聯網檔案館）	Freytag, Asmus, Three symbols, 1998-09-24
				L2/99-010	N1903 (pdf, html （頁面存檔備份，存於互聯網檔案館）, doc （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30
				L2/00-091	N2184 （頁面存檔備份，存於互聯網檔案館）	Freytag, Asmus, Additional information on the proposal to add three symbols, 2000-03-14
				L2/00-234	N2203 (rtf, txt （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., 8.7, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21
				L2/00-115R2		Moore, Lisa, Minutes Of UTC Meeting #83, 2000-08-08
4.0	U+213B	1		L2/99-353	N2056 （頁面存檔備份，存於互聯網檔案館）	3, Amendment of the part concerning the Korean characters in ISO/IEC 10646-1:1998 amendment 5, 1999-07-29
				L2/99-380		Proposal for a New Work item (NP) to amend the Korean part in ISO/IEC 10646-1:1993, 1999-12-07
				L2/99-380.3		Annex B, Special characters compatible with KPS 9566-97 (To be extended), 1999-12-07
				L2/00-084	N2182 （頁面存檔備份，存於互聯網檔案館）	3, Amendment of the part concerning the Korean characters in ISO/IEC 10646-1:1998 amendment 5 (Cover page and outline of proposal L2/99-380), 1999-12-07
				L2/99-382		Whistler, Ken, 2.3, Comments to accompany a U.S. NO vote on JTC1 N5999, SC2 N3393, New Work item proposal (NP) for an amendment of the Korean part of ISO/IEC 10646-1:1993, 1999-12-09
				L2/00-066	N2170 (pdf, doc （頁面存檔備份，存於互聯網檔案館）)	3, The technical justification of the proposal to amend the Korean character part of ISO/IEC 10646-1 (proposed addition of 79 symbolic characters), 2000-02-10
				L2/00-073	N2167 （頁面存檔備份，存於互聯網檔案館）	Karlsson, Kent, Comments on DPRK New Work Item proposal on Korean characters, 2000-03-02
				L2/00-285	N2244 （頁面存檔備份，存於互聯網檔案館）	Proposal for the Addition of 82 Symbols to ISO/IEC 10646-1:2000, 2000-08-10
				L2/00-291		Everson, Michael, Comments to Korean proposals (L2/00-284 - 289), 2000-08-30
					N2282 （頁面存檔備份，存於互聯網檔案館）	Report of the meeting of the Korean script ad hoc group, 2000-09-21
				L2/01-349	N2374R （頁面存檔備份，存於互聯網檔案館）	Proposal to add of 70 symbols to ISO/IEC 10646-1:2000, 2001-09-03
				L2/01-387	N2390 （頁面存檔備份，存於互聯網檔案館）	Kim, Kyongsok, ROK's Comments about DPRK's proposal, WG2 N 2374, to add 70 symbols to ISO/IEC 10646-1:2000, 2001-10-13
				L2/01-388	N2392 （頁面存檔備份，存於互聯網檔案館）	Kim, Kyongsok, A Report of Korean Script ad hoc group meeting on Oct. 15, 2001, 2001-10-16
				L2/01-420		Whistler, Ken, f. Miscellaneous symbol additions from DPRK standard, WG2 (Singapore) Resolution Consent Docket for UTC, 2001-10-30
				L2/01-458	N2407 （頁面存檔備份，存於互聯網檔案館）	Umamaheswaran, V. S., Request to Korean ad hoc group to generate mapping tables between ROK and DPRK national standards, 2001-11-16
				L2/02-372	N2453 (pdf, doc （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., M42.14 item j, Unconfirmed minutes of WG 2 meeting 42, 2002-10-30
4.1	U+213C, 214C	2		L2/03-194	N2590 （頁面存檔備份，存於互聯網檔案館）	Freytag, Asmus, Additional Mathematical and Letterlike Characters, 2003-06-09
				L2/04-406		Freytag, Asmus; Sargent, Murray; Beeton, Barbara; Carlisle, David, Progress report on Mathematical Symbols, 2004-11-15
5.0	U+214D	1		L2/04-394	N2887 （頁面存檔備份，存於互聯網檔案館）, N2889 （頁面存檔備份，存於互聯網檔案館）	Stötzner, Andreas, Aktieselskab: Proposal to the Unicode Consortium, 2004-11-09
	U+214E	1		L2/05-076		Davis, Mark, Stability of Case Folding, 2005-02-10
				L2/05-183	N2957 （頁面存檔備份，存於互聯網檔案館）	Everson, Michael; Haugen, Odd Einar; Emiliano, António; Pedro, Susana; Grammel, Florian; Baker, Peter; Stötzner, Andreas; Dohnicht, Marcus; Luft, Diana, Preliminary proposal to add medievalist characters to the UCS, 2005-08-02
				L2/05-191		Whistler, Ken, Proposal for dealing with lowercase Claudian letters, 2005-08-02
				L2/05-193R2	N2960R （頁面存檔備份，存於互聯網檔案館）	Everson, Michael, Proposal to add Claudian Latin letters to the UCS, 2005-08-12
					N2942 （頁面存檔備份，存於互聯網檔案館）	Freytag, Asmus; Whistler, Ken, Proposal to add nine lowercase characters, 2005-08-12
				L2/05-180		Moore, Lisa, Claudian (C.15), UTC #104 Minutes, 2005-08-17
				L2/05-108R		Moore, Lisa, Stability of Case Folding (B.14.2), UTC #103 Minutes, 2005-08-26
					N2953 (pdf, doc （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., 7.4.6, 8.2.3, Unconfirmed minutes of WG 2 meeting 47, Sophia Antipolis, France; 2005-09-12/15, 2006-02-16
5.1	U+214F	1		L2/06-245	N3217 （頁面存檔備份，存於互聯網檔案館）	Hudson, John; et al, Proposal to encode Samaritan Text symbol, 2006-07-27
				L2/06-324R2		Moore, Lisa, Consensus 109-C25, UTC #109 Minutes, 2006-11-29
				L2/07-268	N3253 (pdf, doc （頁面存檔備份，存於互聯網檔案館）)	Umamaheswaran, V. S., M50.17, Unconfirmed minutes of WG 2 meeting 50, Frankfurt-am-Main, Germany; 2007-04-24/27, 2007-07-26
提案中建議的碼位和字元名稱可能與最終結果不同。 參見L2/13-207、L2/14-054、L2/14-063、L2/15-051A與L2/15-051B。 參閱「雜項符號和象形文字」區塊的歷史一節以檢視更多與繪文字有關的文件。 參見L2/10-458、L2/11-414、L2/11-415與L2/11-429。 參閱「雜項數學符號-B」區段的歷史一節以檢視更多與數學有關的文件。

參見

• Unicode中的拉丁字母

參考資料

1. Unicode character database. The Unicode Standard. [22 March 2013]. （原始內容存檔於2014-03-12）.
2. The Unicode Standard Version 1.0, Volume 1. Addison-Wesley Publishing Company, Inc. 1990, 1991. ISBN 0-201-56788-1. 請檢查|date=中的日期值 (幫助)
3. Chapter 22: Symbols. The Unicode Standard, Version 14.0 (PDF). Mountain View, CA: Unicode, Inc. 2021-09 [2022-06-09]. ISBN 978-1-936213-29-0. （原始內容 (PDF)存檔於2022-05-23）.
4. Unicode chart (PDF) (PDF). [2013-06-26]. （原始內容存檔 (PDF)於2016-04-17）.
5. Unicode Character Database: Standardized Variation Sequences. The Unicode Consortium. [2022-06-09]. （原始內容存檔於2021-02-09）.}
6. UTR #51: Unicode Emoji. Unicode Consortium. 2019-02-04 [2022-06-09]. （原始內容存檔於2020-06-30）.
7. UCD: Emoji Data for UTR #51. Unicode Consortium. 2019-01-15 [2022-06-09]. （原始內容存檔於2022-03-28）.
8. UTS #51 Emoji Variation Sequences. The Unicode Consortium. [2022-06-09]. （原始內容存檔於2022-03-31）.