Unicode中的数学符号
本文转自：http://www.dwenzhao.cn/lesson/htmluse/unicodemath.html
数学、物理及一些科技领域使用了很多特殊符号，Unicode码中都有对应的码位，列出其码表，以方便使用。
1. 数字符号Number Forms：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u215 |
⅐ |
⅑ |
⅒ |
⅓ |
⅔ |
⅕ |
⅖ |
⅗ |
⅘ |
⅙ |
⅚ |
⅛ |
⅜ |
⅝ |
⅞ |
⅟ |
\u216 |
Ⅰ |
Ⅱ |
Ⅲ |
Ⅳ |
Ⅴ |
Ⅵ |
Ⅶ |
Ⅷ |
Ⅸ |
Ⅹ |
Ⅺ |
Ⅻ |
Ⅼ |
Ⅽ |
Ⅾ |
Ⅿ |
\u217 |
ⅰ |
ⅱ |
ⅲ |
ⅳ |
ⅴ |
ⅵ |
ⅶ |
ⅷ |
ⅸ |
ⅹ |
ⅺ |
ⅻ |
ⅼ |
ⅽ |
ⅾ |
ⅿ |
\u218 |
ↀ |
ↁ |
ↂ |
Ↄ |
ↄ |
ↅ |
ↆ |
ↇ |
ↈ |
↉ |
↊ |
↋ |
|
|
|
|
2. 数学运算符Mathematical Operators：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u220 |
∀ |
∁ |
∂ |
∃ |
∄ |
∅ |
∆ |
∇ |
∈ |
∉ |
∊ |
∋ |
∌ |
∍ |
∎ |
∏ |
\u221 |
∐ |
∑ |
− |
∓ |
∔ |
∕ |
∖ |
− |
∓ |
∙ |
√ |
∛ |
∜ |
∝ |
∞ |
∟ |
\u222 |
∠ |
∡ |
∢ |
∣ |
∤ |
∥ |
∦ |
∧ |
∨ |
∩ |
∪ |
∫ |
∬ |
∭ |
∮ |
∯ |
\u223 |
∰ |
∱ |
∲ |
∳ |
∴ |
∵ |
∶ |
∷ |
∸ |
∹ |
∺ |
∻ |
∼ |
∽ |
∾ |
∿ |
\u224 |
≀ |
≁ |
≂ |
≃ |
≄ |
≅ |
≆ |
≇ |
≈ |
≉ |
≊ |
≋ |
≌ |
≍ |
≎ |
≏ |
\u225 |
≐ |
≑ |
≒ |
≓ |
≔ |
≕ |
≖ |
≗ |
≘ |
≙ |
≚ |
≛ |
≜ |
≝ |
≞ |
≟ |
\u226 |
≠ |
≡ |
≢ |
≣ |
≤ |
≥ |
≦ |
≧ |
≨ |
≩ |
≪ |
≫ |
≬ |
≭ |
≮ |
≯ |
\u227 |
≰ |
≱ |
≲ |
≳ |
≴ |
≵ |
≶ |
≷ |
≸ |
≹ |
≺ |
≻ |
≼ |
≽ |
≾ |
≿ |
\u228 |
⊀ |
⊁ |
⊂ |
⊃ |
⊄ |
⊅ |
⊆ |
⊇ |
⊈ |
⊉ |
⊊ |
⊋ |
⊌ |
⊍ |
⊎ |
⊏ |
\u229 |
⊐ |
⊑ |
⊒ |
⊓ |
⊔ |
⊕ |
⊖ |
⊗ |
⊘ |
⊙ |
⊚ |
⊛ |
⊜ |
⊝ |
⊞ |
⊟ |
\u22A |
⊠ |
⊡ |
⊢ |
⊣ |
⊤ |
⊥ |
⊦ |
⊧ |
⊨ |
⊩ |
⊪ |
⊫ |
⊬ |
⊭ |
⊮ |
⊯ |
\u22B |
⊰ |
⊱ |
⊲ |
⊳ |
⊴ |
⊵ |
⊶ |
⊷ |
⊸ |
⊹ |
⊺ |
⊻ |
⊼ |
⊽ |
⊾ |
⊿ |
\u22C |
⋀ |
⋁ |
⋂ |
⋃ |
⋄ |
⋅ |
⋆ |
⋇ |
⋈ |
⋉ |
⋊ |
⋋ |
⋌ |
⋍ |
⋎ |
⋏ |
\u22D |
⋐ |
⋑ |
⋒ |
⋓ |
⋔ |
⋕ |
⋖ |
⋗ |
⋘ |
⋙ |
⋚ |
⋛ |
⋜ |
⋝ |
⋞ |
⋟ |
\u22E |
⋠ |
⋡ |
⋢ |
⋣ |
⋤ |
⋥ |
⋦ |
⋧ |
⋨ |
⋩ |
⋪ |
⋫ |
⋬ |
⋭ |
⋮ |
⋯ |
\u22F |
⋰ |
⋱ |
⋲ |
⋳ |
⋴ |
⋵ |
⋶ |
⋷ |
⋸ |
⋹ |
⋺ |
⋻ |
⋼ |
⋽ |
⋾ |
⋿ |
3. 各种科技符号Miscellaneous Technical：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u230 |
⌀ |
⌁ |
⌂ |
⌃ |
⌄ |
⌅ |
⌆ |
⌇ |
⌈ |
⌉ |
⌊ |
⌋ |
⌌ |
⌍ |
⌎ |
⌏ |
\u231 |
⌐ |
⌑ |
⌒ |
⌓ |
⌔ |
⌕ |
⌖ |
⌒ |
⌓ |
⌙ |
⌚ |
⌛ |
⌜ |
⌝ |
⌞ |
⌟ |
\u232 |
⌠ |
⌡ |
⌢ |
⌣ |
⌤ |
⌥ |
⌦ |
⌧ |
⌨ |
〈 |
〉 |
⌫ |
⌬ |
⌭ |
⌮ |
⌯ |
\u233 |
⌰ |
⌱ |
⌲ |
⌳ |
⌴ |
⌵ |
⌶ |
⌷ |
⌸ |
⌹ |
⌺ |
⌻ |
⌼ |
⌽ |
⌾ |
⌿ |
\u234 |
⍀ |
⍁ |
⍂ |
⍃ |
⍄ |
⍅ |
⍆ |
⍇ |
⍈ |
⍉ |
⍊ |
⍋ |
⍌ |
⍍ |
⍎ |
⍏ |
\u235 |
⍐ |
⍑ |
⍒ |
⍓ |
⍔ |
⍕ |
⍖ |
⍗ |
⍘ |
⍙ |
⍚ |
⍛ |
⍜ |
⍝ |
⍞ |
⍟ |
\u236 |
⍠ |
⍡ |
⍢ |
⍣ |
⍤ |
⍥ |
⍦ |
⍧ |
⍨ |
⍩ |
⍪ |
⍫ |
⍬ |
⍭ |
⍮ |
⍯ |
\u237 |
⍰ |
⍱ |
⍲ |
⍳ |
⍴ |
⍵ |
⍶ |
⍷ |
⍸ |
⍹ |
⍺ |
⍻ |
⍼ |
⍽ |
⍾ |
⍿ |
\u238 |
⎀ |
⎁ |
⎂ |
⎃ |
⎄ |
⎅ |
⎆ |
⎇ |
⎈ |
⎉ |
⎊ |
⎋ |
⎌ |
⎍ |
⎎ |
⎏ |
\u239 |
⎐ |
⎑ |
⎒ |
⎓ |
⎔ |
⎕ |
⎖ |
⎗ |
⎘ |
⎙ |
⎚ |
⎛ |
⎜ |
⎝ |
⎞ |
⎟ |
\u23A |
⎠ |
⎡ |
⎢ |
⎣ |
⎤ |
⎥ |
⎦ |
⎧ |
⎨ |
⎩ |
⎪ |
⎫ |
⎬ |
⎭ |
⎮ |
⎯ |
\u23B |
⎰ |
⎱ |
⎲ |
⎳ |
⎴ |
⎵ |
⎶ |
⎷ |
⎸ |
⎹ |
⎺ |
⎻ |
⎼ |
⎽ |
⎾ |
⎿ |
\u23C |
⏀ |
⏁ |
⏂ |
⏃ |
⏄ |
⏅ |
⏆ |
⏇ |
⏈ |
⏉ |
⏊ |
⏋ |
⏌ |
⏍ |
⏎ |
⏏ |
\u23D |
⏐ |
⏑ |
⏒ |
⏓ |
⏔ |
⏕ |
⏖ |
⏗ |
⏘ |
⏙ |
⏚ |
⏛ |
⏜ |
⏝ |
⏞ |
⏟ |
\u23E |
⏠ |
⏡ |
⏢ |
⏣ |
⏤ |
⏥ |
⏦ |
⏧ |
⏨ |
⏩ |
⏪ |
⏫ |
⏬ |
⏭ |
⏮ |
⏯ |
\u23F |
⏰ |
⏱ |
⏲ |
⏳ |
⏴ |
⏵ |
⏶ |
⏷ |
⏸ |
⏹ |
⏺ |
⏻ |
⏼ |
⏽ |
⏾ |
⏿ |
4. 控制图形Control Pictures：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u240 |
␀ |
␁ |
␂ |
␃ |
␄ |
␅ |
␆ |
␇ |
␈ |
␉ |
␊ |
␋ |
␌ |
␍ |
␎ |
␏ |
\u241 |
␐ |
␑ |
␒ |
␓ |
␔ |
␕ |
␖ |
␒ |
␓ |
␙ |
␚ |
␛ |
␜ |
␝ |
␞ |
␟ |
\u242 |
␠ |
␡ |
␢ |
␣ |
|
␥ |
␦ |
|
|
|
|
|
|
|
|
|
5. 光电识别符号Optical Character Recognition：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u244 |
⑀ |
⑁ |
⑂ |
⑃ |
⑄ |
⑅ |
⑆ |
⑇ |
⑈ |
⑉ |
⑊ |
|
|
|
|
|
6. 包围起来的字母数字Enclosed Alphanumerics：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u246 |
① |
② |
③ |
④ |
⑤ |
⑥ |
⑦ |
⑧ |
⑨ |
⑩ |
⑪ |
⑫ |
⑬ |
⑭ |
⑮ |
⑯ |
\u247 |
⑰ |
⑱ |
⑲ |
⑳ |
⑴ |
⑵ |
⑶ |
⑲ |
⑳ |
⑹ |
⑺ |
⑻ |
⑼ |
⑽ |
⑾ |
⑿ |
\u248 |
⒀ |
⒁ |
⒂ |
⒃ |
⒄ |
⒅ |
⒆ |
⒇ |
⒈ |
⒉ |
⒊ |
⒋ |
⒌ |
⒍ |
⒎ |
⒏ |
\u249 |
⒐ |
⒑ |
⒒ |
⒓ |
⒔ |
⒕ |
⒖ |
⒗ |
⒘ |
⒙ |
⒚ |
⒛ |
⒜ |
⒝ |
⒞ |
⒟ |
\u24A |
⒠ |
⒡ |
⒢ |
⒣ |
⒤ |
⒥ |
⒦ |
⒧ |
⒨ |
⒩ |
⒪ |
⒫ |
⒬ |
⒭ |
⒮ |
⒯ |
\u24B |
⒰ |
⒱ |
⒲ |
⒳ |
⒴ |
⒵ |
Ⓐ |
Ⓑ |
Ⓒ |
Ⓓ |
Ⓔ |
Ⓕ |
Ⓖ |
Ⓗ |
Ⓘ |
Ⓙ |
\u24C |
Ⓚ |
Ⓛ |
Ⓜ |
Ⓝ |
Ⓞ |
Ⓟ |
Ⓠ |
Ⓡ |
Ⓢ |
Ⓣ |
Ⓤ |
Ⓥ |
Ⓦ |
Ⓧ |
Ⓨ |
Ⓩ |
\u24D |
ⓐ |
ⓑ |
ⓒ |
ⓓ |
ⓔ |
ⓕ |
ⓖ |
ⓗ |
ⓘ |
ⓙ |
ⓚ |
ⓛ |
ⓜ |
ⓝ |
ⓞ |
ⓟ |
\u24E |
ⓠ |
ⓡ |
ⓢ |
ⓣ |
ⓤ |
ⓥ |
ⓦ |
ⓧ |
ⓨ |
ⓩ |
⓪ |
⓫ |
⓬ |
⓭ |
⓮ |
⓯ |
\u24F |
⓰ |
⓱ |
⓲ |
⓳ |
⓴ |
⓵ |
⓶ |
⓷ |
⓸ |
⓹ |
⓺ |
⓻ |
⓼ |
⓽ |
⓾ |
⓿ |
7. 各种数学符号Miscellaneous Mathematical Symbols-A：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u27C |
⟀ |
⟁ |
⟂ |
⟃ |
⟄ |
⟅ |
⟆ |
⟇ |
⟈ |
⟉ |
⟊ |
⟋ |
⟌ |
⟍ |
⟎ |
⟏ |
\u27D |
⟐ |
⟑ |
⟒ |
⟓ |
⟔ |
⟕ |
⟖ |
⟒ |
⟓ |
⟙ |
⟚ |
⟛ |
⟜ |
⟝ |
⟞ |
⟟ |
\u27E |
⟠ |
⟡ |
⟢ |
⟣ |
⟤ |
⟥ |
⟦ |
⟧ |
⟨ |
⟩ |
⟪ |
⟫ |
⟬ |
⟭ |
⟮ |
⟯ |
8. 各种数学符号Miscellaneous Mathematical Symbols-B：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u298 |
⦀ |
⦁ |
⦂ |
⦃ |
⦄ |
⦅ |
⦆ |
⦇ |
⦈ |
⦉ |
⦊ |
⦋ |
⦌ |
⦍ |
⦎ |
⦏ |
\u299 |
⦐ |
⦑ |
⦒ |
⦓ |
⦔ |
⦕ |
⦖ |
⦒ |
⦓ |
⦙ |
⦚ |
⦛ |
⦜ |
⦝ |
⦞ |
⦟ |
\u29A |
⦠ |
⦡ |
⦢ |
⦣ |
⦤ |
⦥ |
⦦ |
⦧ |
⦨ |
⦩ |
⦪ |
⦫ |
⦬ |
⦭ |
⦮ |
⦯ |
\u29B |
⦰ |
⦱ |
⦲ |
⦳ |
⦴ |
⦵ |
⦶ |
⦷ |
⦸ |
⦹ |
⦺ |
⦻ |
⦼ |
⦽ |
⦾ |
⦿ |
\u29C |
⧀ |
⧁ |
⧂ |
⧃ |
⧄ |
⧅ |
⧆ |
⧇ |
⧈ |
⧉ |
⧊ |
⧋ |
⧌ |
⧍ |
⧎ |
⧏ |
\u29D |
⧐ |
⧑ |
⧒ |
⧓ |
⧔ |
⧕ |
⧖ |
⧗ |
⧘ |
⧙ |
⧚ |
⧛ |
⧜ |
⧝ |
⧞ |
⧟ |
\u29E |
⧠ |
⧡ |
⧢ |
⧣ |
⧤ |
⧥ |
⧦ |
⧧ |
⧨ |
⧩ |
⧪ |
⧫ |
⧬ |
⧭ |
⧮ |
⧯ |
\u29F |
⧰ |
⧱ |
⧲ |
⧳ |
⧴ |
⧵ |
⧶ |
⧷ |
⧸ |
⧹ |
⧺ |
⧻ |
⧼ |
⧽ |
⧾ |
⧿ |
9. 增补数学操作符Supplemental Mathematical Operators 2AFF
：
Unicode |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
\u2A0 |
⨀ |
⨁ |
⨂ |
⨃ |
⨄ |
⨅ |
⨆ |
⨇ |
⨈ |
⨉ |
⨊ |
⨋ |
⨌ |
⨍ |
⨎ |
⨏ |
\u2A1 |
⨐ |
⨑ |
⨒ |
⨓ |
⨔ |
⨕ |
⨖ |
⨒ |
⨓ |
⨙ |
⨚ |
⨛ |
⨜ |
⨝ |
⨞ |
⨟ |
\u2A2 |
⨠ |
⨡ |
⨢ |
⨣ |
⨤ |
⨥ |
⨦ |
⨧ |
⨨ |
⨩ |
⨪ |
⨫ |
⨬ |
⨭ |
⨮ |
⨯ |
\u2A3 |
⨰ |
⨱ |
⨲ |
⨳ |
⨴ |
⨵ |
⨶ |
⨷ |
⨸ |
⨹ |
⨺ |
⨻ |
⨼ |
⨽ |
⨾ |
⨿ |
\u2A4 |
⩀ |
⩁ |
⩂ |
⩃ |
⩄ |
⩅ |
⩆ |
⩇ |
⩈ |
⩉ |
⩊ |
⩋ |
⩌ |
⩍ |
⩎ |
⩏ |
\u2A5 |
⩐ |
⩑ |
⩒ |
⩓ |
⩔ |
⩕ |
⩖ |
⩗ |
⩘ |
⩙ |
⩚ |
⩛ |
⩜ |
⩝ |
⩞ |
⩟ |
\u2A6 |
⩠ |
⩡ |
⩢ |
⩣ |
⩤ |
⩥ |
⩦ |
⩧ |
⩨ |
⩩ |
⩪ |
⩫ |
⩬ |
⩭ |
⩮ |
⩯ |
\u2A7 |
⩰ |
⩱ |
⩲ |
⩳ |
⩴ |
⩵ |
⩶ |
⩷ |
⩸ |
⩹ |
⩺ |
⩻ |
⩼ |
⩽ |
⩾ |
⩿ |
\u2A8 |
⪀ |
⪁ |
⪂ |
⪃ |
⪄ |
⪅ |
⪆ |
⪇ |
⪈ |
⪉ |
⪊ |
⪋ |
⪌ |
⪍ |
⪎ |
⪏ |
\u2A9 |
⪐ |
⪑ |
⪒ |
⪓ |
⪔ |
⪕ |
⪖ |
⪗ |
⪘ |
⪙ |
⪚ |
⪛ |
⪜ |
⪝ |
⪞ |
⪟ |
\u2AA |
⪠ |
⪡ |
⪢ |
⪣ |
⪤ |
⪥ |
⪦ |
⪧ |
⪨ |
⪩ |
⪪ |
⪫ |
⪬ |
⪭ |
⪮ |
⪯ |
\u2AB |
⪰ |
⪱ |
⪲ |
⪳ |
⪴ |
⪵ |
⪶ |
⪷ |
⪸ |
⪹ |
⪺ |
⪻ |
⪼ |
⪽ |
⪾ |
⪿ |
\u2AC |
⫀ |
⫁ |
⫂ |
⫃ |
⫄ |
⫅ |
⫆ |
⫇ |
⫈ |
⫉ |
⫊ |
⫋ |
⫌ |
⫍ |
⫎ |
⫏ |
\u2AD |
⫐ |
⫑ |
⫒ |
⫓ |
⫔ |
⫕ |
⫖ |
⫗ |
⫘ |
⫙ |
⫚ |
⫛ |
⫝̸ |
⫝ |
⫞ |
⫟ |
\u2AE |
⫠ |
⫡ |
⫢ |
⫣ |
⫤ |
⫥ |
⫦ |
⫧ |
⫨ |
⫩ |
⫪ |
⫫ |
⫬ |
⫭ |
⫮ |
⫯ |
\u2AF |
⫰ |
⫱ |
⫲ |
⫳ |
⫴ |
⫵ |
⫶ |
⫷ |
⫸ |
⫹ |
⫺ |
⫻ |
⫼ |
⫽ |
⫾ |
⫿ |
有些符号可能无法正常显示，只会显示一个矩形框，说明计算机上没有相关支持软件，需要等到安装了相应软件才能使用。不过，将来能够支持的字符会越来越多，这是必然的趋势。使用Unicode字符时，在HTML中使用“&#xhhhh”形式，其中hhhh为4位十六进制的Unicode码，也可以转为10进制的码后使用“&#dddd”形式；在JavaScript脚本中使用，使用“\uhhhh”形式；CSS中使用时使用“\hhhh”形式。