雜項數學符號-A
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 | 碼位数 | L2（英语：） ID | WG2（英语：） ID | 文檔 |
| --- | --- | --- | --- | --- | --- |
| 3.2 | U+27D0..27E5 | 22 | L2/01-142 | N2336 （页面存档备份，存于） | Beeton, Barbara; Freytag, Asmus; Ion, Patrick, , 2001-04-02  |
| 3.2 | U+27D0..27E5 | 22 | L2/01-227 |  | Whistler, Ken, , , 2001-05-22  |
| 3.2 | U+27D0..27E5 | 22 | L2/01-184R |  | Moore, Lisa, , , 2001-06-18  |
| 3.2 | U+27D0..27E5 | 22 | L2/01-344 | N2353 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2001-09-09  |
| 3.2 | U+27E6..27EB | 6 | L2/99-052 |  | Freytag, Asmus, , 1999-02-05  |
| 3.2 | U+27E6..27EB | 6 | L2/01-033 |  | Karlsson, Kent; Freytag, Asmus, , 2001-01-16  |
| 3.2 | U+27E6..27EB | 6 | L2/01-159 | N2344 （页面存档备份，存于） | , 2001-04-03  |
| 3.2 | U+27E6..27EB | 6 | L2/01-157 | N2345R （页面存档备份，存于） | Karlsson, Kent, , 2001-04-04  |
| 3.2 | U+27E6..27EB | 6 | L2/01-168 |  | Whistler, Ken, , 2001-04-10  |
| 3.2 | U+27E6..27EB | 6 | L2/01-012R |  | Moore, Lisa, , , 2001-05-21  |
| 3.2 | U+27E6..27EB | 6 | L2/01-223 |  | Suignard, Michel, , 2001-05-23  |
| 3.2 | U+27E6..27EB | 6 | L2/01-184R |  | Moore, Lisa, , , 2001-06-18, Reverse the decision made in motion 86-M6 not to disunify brackets.  |
| 3.2 | U+27E6..27EB | 6 | L2/01-317 |  | Suignard, Michel, , 2001-08-14  |
| 3.2 | U+27E6..27EB | 6 | L2/01-295R |  | Moore, Lisa, , , 2001-11-06  |
| 3.2 | U+27E6..27EB | 6 | L2/02-154 | N2403 （页面存档备份，存于） | Umamaheswaran, V. S., , , 2002-04-22  |
| 4.1 | U+27C0..27C1 | 2 | L2/03-187 | N2612-6 | Pantelia, Maria, , 2003-06-11  |
| 4.1 | U+27C2 | 1 | L2/03-194 | N2590 （页面存档备份，存于） | Freytag, Asmus, , 2003-06-09  |
| 4.1 | U+27C3..27C6 | 4 | L2/03-410 | N2680R （页面存档备份，存于） | Freytag, Asmus, , 2003-10-30  |
| 4.1 | U+27C3..27C6 | 4 | L2/04-098 |  | Suignard, Michel, , , 2004-02-04  |
| 4.1 | U+27C3..27C6 | 4 | L2/04-316 |  | Moore, Lisa, , , 2004-08-19  |
| 5.0 | U+27C7..27C9 | 3 | L2/04-406 |  | Freytag, Asmus; Sargent, Murray; Beeton, Barbara; Carlisle, David, , 2004-11-15  |
| 5.0 | U+27C7..27C9 | 3 | L2/04-410 |  | Freytag, Asmus, , 2004-11-18  |
| 5.0 | U+27CA | 1 | L2/05-189 | N2958 （页面存档备份，存于） | Lehtiranta, Juhani; Ruppel, Klaas; Suutari, Toni; Trosterud, Trond, , 2005-07-22  |
| 5.0 | U+27CA | 1 | L2/05-261 | N2989 （页面存档备份，存于） | Ruppel, Klaas; Kolehmainen, Erkki I.; Everson, Michael; Freytag, Asmus; Whistler, Ken, , 2005-09-13  |
| 5.0 | U+27CA | 1 | L2/05-270 |  | Whistler, Ken, , , 2005-09-21  |
| 5.0 | U+27CA | 1 | L2/05-279 |  | Moore, Lisa, , , 2005-11-10  |
| 5.0 | U+27CA | 1 |  | N2953 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-02-16  |
| 5.1 | U+27CC, 27EE..27EF | 3 | L2/07-011R | N3198R （页面存档备份，存于） | Freytag, Asmus; Beeton, Barbara; Ion, Patrick; Sargent, Murray; Carlisle, David; Pournader, Roozbeh, , 2007-01-15  |
| 5.1 | U+27CC, 27EE..27EF | 3 | L2/07-015 |  | Moore, Lisa, , , 2007-02-08  |
| 5.1 | U+27CC, 27EE..27EF | 3 | L2/07-268 | N3253 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2007-07-26  |
| 5.1 | U+27EC..27ED | 2 | L2/06-054R | N3040 （页面存档备份，存于） | Freytag, Asmus; Beeton, Barbara; Sargent, Murray, , 2006-02-09  |
| 5.1 | U+27EC..27ED | 2 | L2/06-008R2 |  | Moore, Lisa, , , 2006-02-13  |
| 5.1 | U+27EC..27ED | 2 |  | N3103 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-08-25  |
| 6.0 | U+27CE..27CF | 2 | L2/09-273 | N3677 （页面存档备份，存于） | Iancu, Laurențiu, , 2009-07-28  |
| 6.0 | U+27CE..27CF | 2 | L2/09-225R |  | Moore, Lisa, , , 2009-08-17  |
| 6.0 | U+27CE..27CF | 2 | L2/09-359 |  | Iancu, Laurențiu, , 2009-10-21  |
| 6.0 | U+27CE..27CF | 2 |  | N3703 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2010-04-13  |
| 6.1 | U+27CB, 27CD | 2 | L2/09-397 |  | Iancu, Laurențiu, , 2009-10-26  |
| 6.1 | U+27CB, 27CD | 2 | L2/09-335R |  | Moore, Lisa, , , 2009-11-10  |
| 6.1 | U+27CB, 27CD | 2 | L2/10-007R | N3763 （页面存档备份，存于） | Anderson, Deborah; Beeton, Barbara; Iancu, Laurențiu, , 2010-01-12  |
| 6.1 | U+27CB, 27CD | 2 | L2/10-010 |  | Constable, Peter; Iancu, Laurențiu; Sargent, Murray, , 2010-01-13  |
| 6.1 | U+27CB, 27CD | 2 | L2/10-015R |  | Moore, Lisa, , , 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.  |
| 6.1 | U+27CB, 27CD | 2 |  | N3803 (pdf, doc （页面存档备份，存于）) | , , 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。