# 数学运算符 (Unicode区段)

Mathematical Operators

（256個碼位）

1.0.0242 (+242)
3.2256 (+14)

## 區塊

 数学运算符Mathematical Operators[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+220x ∀ ∁ ∂ ∃ ∄ ∅ ∆ ∇ ∈ ∉ ∊ ∋ ∌ ∍ ∎ ∏ U+221x ∐ ∑ − ∓ ∔ ∕ ∖ ∗ ∘ ∙ √ ∛ ∜ ∝ ∞ ∟ U+222x ∠ ∡ ∢ ∣ ∤ ∥ ∦ ∧ ∨ ∩ ∪ ∫ ∬ ∭ ∮ ∯ U+223x ∰ ∱ ∲ ∳ ∴ ∵ ∶ ∷ ∸ ∹ ∺ ∻ ∼ ∽ ∾ ∿ U+224x ≀ ≁ ≂ ≃ ≄ ≅ ≆ ≇ ≈ ≉ ≊ ≋ ≌ ≍ ≎ ≏ U+225x ≐ ≑ ≒ ≓ ≔ ≕ ≖ ≗ ≘ ≙ ≚ ≛ ≜ ≝ ≞ ≟ U+226x ≠ ≡ ≢ ≣ ≤ ≥ ≦ ≧ ≨ ≩ ≪ ≫ ≬ ≭ ≮ ≯ U+227x ≰ ≱ ≲ ≳ ≴ ≵ ≶ ≷ ≸ ≹ ≺ ≻ ≼ ≽ ≾ ≿ U+228x ⊀ ⊁ ⊂ ⊃ ⊄ ⊅ ⊆ ⊇ ⊈ ⊉ ⊊ ⊋ ⊌ ⊍ ⊎ ⊏ U+229x ⊐ ⊑ ⊒ ⊓ ⊔ ⊕ ⊖ ⊗ ⊘ ⊙ ⊚ ⊛ ⊜ ⊝ ⊞ ⊟ U+22Ax ⊠ ⊡ ⊢ ⊣ ⊤ ⊥ ⊦ ⊧ ⊨ ⊩ ⊪ ⊫ ⊬ ⊭ ⊮ ⊯ U+22Bx ⊰ ⊱ ⊲ ⊳ ⊴ ⊵ ⊶ ⊷ ⊸ ⊹ ⊺ ⊻ ⊼ ⊽ ⊾ ⊿ U+22Cx ⋀ ⋁ ⋂ ⋃ ⋄ ⋅ ⋆ ⋇ ⋈ ⋉ ⋊ ⋋ ⋌ ⋍ ⋎ ⋏ U+22Dx ⋐ ⋑ ⋒ ⋓ ⋔ ⋕ ⋖ ⋗ ⋘ ⋙ ⋚ ⋛ ⋜ ⋝ ⋞ ⋟ U+22Ex ⋠ ⋡ ⋢ ⋣ ⋤ ⋥ ⋦ ⋧ ⋨ ⋩ ⋪ ⋫ ⋬ ⋭ ⋮ ⋯ U+22Fx ⋰ ⋱ ⋲ ⋳ ⋴ ⋵ ⋶ ⋷ ⋸ ⋹ ⋺ ⋻ ⋼ ⋽ ⋾ ⋿ 註釋 1.^ 依據 Unicode 14.0

## 變體序列

U+2205 ∅︀ 被對角線穿過的0
U+2229 ∩︀ 襯線體
U+222A ∪︀
U+2268 ≨︀ 不等號斜線垂直
U+2269 ≩︀
U+2272 ≲︀ 相似號傾斜

U+2273 ≳︀
U+228A ⊊︀ 斜線穿過

U+228B ⊋︀
U+2293 ⊓︀ 襯線體
U+2294 ⊔︀
U+2295 ⊕︀ 不觸及圓圈
U+2297 ⊗︀
U+229C ⊜︀ 等號觸及圓圈
U+22DA ⋚︀ 等號平行
U+22DB ⋛︀

## 歷史

1.0.0 U+2200..22F1 242 （待考）
UTC/1999-013 Karlsson, Kent, Tildes and micro sign decompositions, 1999-05-27
L2/99-176R Moore, Lisa, Not Tilde, Minutes from the joint UTC/L2 meeting in Seattle, June 8-10, 1999, 1999-11-04
L2/00-115R2 Moore, Lisa, Motion 83-M21, Minutes Of UTC Meeting #83, 2000-08-08
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
L2/07-268 doc页面存档备份，存于互联网档案馆）) Umamaheswaran, V. S., M50.7 (Math symbol glyph correction) [U+22C4], Unconfirmed minutes of WG 2 meeting 50, Frankfurt-am-Main, Germany; 2007-04-24/27, 2007-07-26
L2/15-268 Beeton, Barbara; Freytag, Asmus; Iancu, Laurențiu; Sargent, Murray, Proposal to Represent the Slashed Zero Variant of Empty Set, 2015-10-30
L2/15-254 Moore, Lisa, B.12.1.2 Proposal to Represent the Slashed Zero Variant of Empty Set, UTC #145 Minutes, 2015-11-16
3.2 U+22F2..22FF 14 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 txt页面存档备份，存于互联网档案馆）) 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
1. ^ 建議的碼位和字符名稱可能與最終的結果不同。
2. ^ 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。

## 參考資料

1. ^ Unicode character database. The Unicode Standard. [2016-07-09]. （原始内容存档于2017-09-25）.
2. ^ Enumerated Versions of The Unicode Standard. The Unicode Standard. [2016-07-09]. （原始内容存档于2016-06-29）.
3. ^ Unicode Character Database: Standardized Variation Sequences. The Unicode Consortium. [2022-06-05]. （原始内容存档于2021-02-09）.
4. ^ Whistler, Ken; Freytag, Asmus, Symbol variants defined using a Variation Selector, L2/00-119: Encoding Additional Mathematical Symbols in Unicode (PDF), 2000-04-19 [2022-06-05], （原始内容存档 (PDF)于2019-06-15）