檢視 HTML中的數學符號/常用的原始碼

[[分類:HTML]]
<div style='font-family:新細明體;font-size:medium;'>
===使用標籤===
*線段：<span style='text-decoration:overline'>AB</span>
*根號：√<span style='text-decoration:overline'>3</span>
*下標：a<sub><span style='font-size:smaller;'>1</span></sub>
*上標：x<sup><span style='font-size:smaller;'>2</span></sup>
*<em>□&nbsp;</em> 或 <i>□ </i>

===特殊字元表示法(一)〔HTML name〕===
<table style='font-size:small' class=nicetable>
<tr>
<th><strong>符號</strong></th>
<th><strong>說明</strong></th>
<th><strong>編碼</strong></th>
<th rowspan='24'><strong>&nbsp;</strong></th>
<th><strong>符號</strong></th>
<th width='110'><strong>說明</strong></th>
<th><strong>編碼</strong></th>
<th rowspan='24'><strong>&nbsp;</strong></th>
<th><strong>符號</strong></th>
<th><strong>說明</strong></th>
<th><strong>編碼</strong></th>
</tr>
<tr>
<td>&quot;</td>
<td>雙引號</td>
<td>&amp;quot;</td>
<td>×</td>
<td>乘號</td>
<td>&amp;times;</td>
<td>←</td>
<td>向左箭頭</td>
<td>&amp;larr;</td>
</tr>
<tr>
<td>&amp;</td>
<td>AND符號</td>
<td>&amp;amp;</td>
<td>÷</td>
<td>除號</td>
<td>&amp;divide;</td>
<td>↑</td>
<td>向上箭頭</td>
<td>&amp;uarr;</td>
</tr>
<tr>
<td>&lt;&nbsp;</td>
<td>小於符號</td>
<td>&amp;lt;</td>
<td>±</td>
<td>正負符號</td>
<td>&amp;plusmn;</td>
<td>→</td>
<td>向右箭頭</td>
<td>&amp;rarr;</td>
</tr>
<tr>
<td>&gt;&nbsp;</td>
<td>大於符號</td>
<td>&amp;gt;</td>
<td>?</td>
<td>function符號</td>
<td>&amp;fnof;</td>
<td>↓</td>
<td>向下箭頭</td>
<td>&amp;darr;</td>
</tr>
<tr>
<td>&nbsp;</td>
<td>空格</td>
<td>&amp;nbsp;</td>
<td>√</td>
<td>根號</td>
<td>&amp;radic;</td>
<td>&harr;</td>
<td>雙向箭頭</td>
<td>&amp;harr;</td>
</tr>
<tr>
<td>&iquest;</td>
<td>倒問號</td>
<td>&amp;iquest;</td>
<td>∞</td>
<td>無限大符號</td>
<td>&amp;infin;</td>
<td>&lArr;</td>
<td>雙線向左箭頭</td>
<td>&amp;lArr;</td>
</tr>
<tr>
<td>&laquo;</td>
<td>雙左箭頭</td>
<td>&amp;laquo;</td>
<td>∠</td>
<td>角度符號</td>
<td>&amp;ang;</td>
<td>&uArr;</td>
<td>雙線向上箭頭</td>
<td>&amp;uArr;</td>
</tr>
<tr>
<td>&raquo;</td>
<td>雙右箭頭</td>
<td>&amp;raquo;</td>
<td>∫</td>
<td>微積分符號</td>
<td>&amp;int;</td>
<td>&rArr;</td>
<td>雙線向右箭頭</td>
<td>&amp;rArr;</td>
</tr>
<tr>
<td>&lsquo;</td>
<td>左單引號</td>
<td>&amp;lsquo;</td>
<td>°</td>
<td>度數符號</td>
<td>&amp;deg;</td>
<td>&dArr;</td>
<td>雙線向下箭頭</td>
<td>&amp;dArr;</td>
</tr>
<tr>
<td>&rsquo;</td>
<td>右單引號</td>
<td>&amp;rsquo;</td>
<td>≠</td>
<td>不等於符號</td>
<td>&amp;ne;</td>
<td>&hArr;</td>
<td>雙線雙向箭頭</td>
<td>&amp;hArr;</td>
</tr>
<tr>
<td>&ldquo;</td>
<td>左雙引號</td>
<td>&amp;ldquo;</td>
<td>≡</td>
<td>相等符號</td>
<td>&amp;equiv;</td>
<td>&spades;</td>
<td>黑桃符號</td>
<td>&amp;spades;</td>
</tr>
<tr>
<td>&rdquo;</td>
<td>右雙引號</td>
<td>&amp;rdquo;</td>
<td>≤</td>
<td>小於等於符號</td>
<td>&amp;le;</td>
<td>&clubs;</td>
<td>梅花符號</td>
<td>&amp;clubs;</td>
</tr>
<tr>
<td>&para;</td>
<td>段落符號</td>
<td>&amp;para;</td>
<td>≥</td>
<td>大於等於符號</td>
<td>&amp;ge;</td>
<td>&hearts;</td>
<td>紅心符號</td>
<td>&amp;hearts;</td>
</tr>
<tr>
<td>§</td>
<td>章節符號</td>
<td>&amp;sect;</td>
<td>⊥</td>
<td>垂直符號</td>
<td>&amp;perp;</td>
<td>&diams;</td>
<td>方塊符號</td>
<td>&amp;diams;</td>
</tr>
<tr>
<td>&copy;</td>
<td>版權所有符號</td>
<td>&amp;copy;</td>
<td>&frac12;</td>
<td>二分之一符號</td>
<td>&amp;frac12;</td>
<td>α</td>
<td>Alpha符號</td>
<td>&amp;alpha;</td>
</tr>
<tr>
<td>&reg;</td>
<td>註冊商標符號</td>
<td>&amp;reg;</td>
<td>&frac14;</td>
<td>四分之一符號</td>
<td>&amp;frac14;</td>
<td>β</td>
<td>Bata符號</td>
<td>&amp;beta;</td>
</tr>
<tr>
<td>&trade;</td>
<td>商標符號</td>
<td>&amp;trade;</td>
<td>&frac34;</td>
<td>四分之三符號</td>
<td>&amp;frac34;</td>
<td>γ</td>
<td>Gamma符號</td>
<td>&amp;gamma;</td>
</tr>
<tr>
<td>&euro;</td>
<td>歐元符號</td>
<td>&amp;euro;</td>
<td>‰</td>
<td>百分符號</td>
<td>&amp;permil;</td>
<td>Δ</td>
<td>Delta符號</td>
<td>&amp;Delta;</td>
</tr>
<tr>
<td>￠</td>
<td>美分符號</td>
<td>&amp;cent;</td>
<td>∴</td>
<td>所以符號</td>
<td>&amp;there4;</td>
<td>θ</td>
<td>Theta符號</td>
<td>&amp;theta;</td>
</tr>
<tr>
<td>￡</td>
<td>英鎊符號</td>
<td>&amp;pound;</td>
<td>π</td>
<td>圓周率符號</td>
<td>&amp;pi;</td>
<td>λ</td>
<td>Lambda符號</td>
<td>&amp;lambda;</td>
</tr>
<tr>
<td>￥</td>
<td>日圓符號</td>
<td>&amp;yen;</td>
<td>1</td>
<td>批註1符號</td>
<td>&amp;sup1;</td>
<td>Σ</td>
<td>Sigma符號</td>
<td>&amp;Sigma;</td>
</tr>
<tr>
<td>…</td>
<td>...</td>
<td>&amp;hellip;</td>
<td>2</td>
<td>批註2符號、平方</td>
<td>&amp;sup2;</td>
<td>τ</td>
<td>Tau符號</td>
<td>&amp;tau;</td>
</tr>
<tr>
<td>&oplus;</td>
<td>&nbsp;</td>
<td>&amp;oplus;</td>
<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>
</tr></table>

===特殊字元表示法(二)===
====(一)常用推薦====
<span title='向上三角形符號'>▲</span>
<span title='向下三角形符號'>▼</span>
<span title='向左三角形符號'>◀</span>
<span title='向右三角形符號'>▶</span>
<span title='向左箭頭符號'>←</span>
<span title='向上箭頭符號'>↑</span>
<span title='向右箭頭符號'>→</span>
<span title='向下箭頭符號'>↓</span>
<span title='左右箭頭符號'>↔</span>
<span title='上下箭頭符號'>↕</span>
<span title='無限大符號'>∞</span>
<span title='加減符號'>±</span>
<span title='乘法符號'>×</span>
<span title='除法符號'>÷</span>
<span title='不等於符號'>≠</span>
<span title='大於等於符號'>≥</span>
<span title='小於等於符號'>≤</span>
<span title='女性符號'>♀</span>
<span title='男性符號'>♂</span>
<span title='實心星星符號'>★</span>
<span title='空心星星符號'>☆</span>
<span title='撲克牌黑桃符號'>♠</span>
<span title='撲克牌方塊符號'>♦</span>
<span title='撲克牌梅花符號'>♣</span>
<span title='撲克牌愛心符號'>♥</span>
<span title='空心愛心符號'>♡</span>
<span title='Apple logo 符號'><img src='https://upload.wikimedia.org/wikipedia/commons/8/8a/Apple_Logo.svg' width='17' height='20.25'/>Unicode 不包括具有版權的 logo，比如 Apple 的 logo </span>
<span title='實心正方形符號'>■</span>
<span title='空心正方形符號'>□</span>
<span title='實心圓形符號'>●</span>
<span title='空心圓形符號'>○</span>
<span title='實心菱形符號'>◆</span>
<span title='空芯菱形符號'>◇</span>
<span title='粗的乘法符號'>✖</span>
<span title='粗的家法符號'>✚</span>
<span title='打勾符號'>✔</span>
<span title='音符符號'>♩</span>
<span title='音符符號'>♪</span>
<span title='音符符號'>♫</span>
<span title='飛機符號'>✈</span>
<span title='旗幟符號'>⚑</span>
<span title='左箭頭括號'>❮</span>
<span title='右箭頭括號'>❯</span>
<span title='版圈宣告特殊符號'>©</span>
<span title='產地特殊符號'>®</span>
<span title='圓形文字「上」符號'>㊤</span>
<span title='圓形文字「下」符號'>㊦</span>
<span title='圓形文字「左」符號'>㊧</span>
<span title='圓形文字「右」符號'>㊨</span>
<span title='圓形文字「中」符號'>㊥</span>
<span title='圓形文字「正」符號'>㊣</span>
<span title='圓形文字「財」符號'>㊖</span>
<span title='圓形文字「特」符號'>㊕</span>
<span title='「株式會社」文字符號'>㍿</span>
<span title='希臘文字符號'>α</span>
<span title='希臘文字符號'>β</span>
<span title='希臘文字符號'>π</span>
<span title='希臘文字符號'>θ</span>
<span title='希臘文字符號'>¥</span>
<span title='希臘文字符號'>€</span>

===複製特殊字元===
第一個為可以擠開空間的半形空白：&amp;#8192;(8192為十六位的2000)，不會被視為真正的空白&amp;nbsp;；最後一個為可以擠開空間的全形空白：&amp;#12288;(12288為十六位的3000)，為全形標點區的第一個字。
<pre>en quad：→&#x2000;← em quad：→&#x2001;← en space：→&#x2002;← em space：→&#x2003;← ideographic space：→&#x3000;←</pre>

tab鍵：&amp;#9;
<pre>→&#9;←</pre>

適合作斜方向連接線：
<pre>&#9585;  &#9586;</pre>

三角形：
<pre>&#9651;三角形  &#8710;增量  &#916;大寫希臘字  &#5123;加拿大拼音符</pre>

函數 ƒ ：&amp;fnof;
<pre>&fnof;拉丁文小寫字母f</pre>

分數：¼ , ½ , ¾ , ⅓ , ⅔ , ⅕ , ⅖ , ⅗ , ⅘ , ⅙ , ⅚ , ⅛ , ⅜ , ⅝ , ⅞ 

羅馬數字：Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ

希臘字母：
:&Alpha; &Beta; &Gamma; &Delta; &Epsilon; &Zeta; &Eta; &Theta; &Iota; &Kappa; &Lambda; &Mu; &Nu; &Xi; &Omicron; &Pi; &Rho; &Sigma; &Tau; &Upsilon; &Phi; &Chi; &Psi; &Omega;
:&alpha; &beta; &gamma; &delta; &epsilon; &zeta; &eta; &theta; &iota; &kappa; &lambda; &mu; &nu; &xi; &omicron; &pi; &rho; &sigma; &tau; &upsilon; &phi; &chi; &psi; &omega;

幾何圖形：
:▀ ▁ ▂ ▃ ▄ ▅ ▆ ▇ █ ▉ ▊ ▋ ▌ ▍ ▎ ▏ ▐ ░ ▒ ▓ ▔ ▕ ▖ ▗ ▘ ▙ ▚ ▛ ▜ ▝ ▞ ▟ ■ □ ▢ ▣ ▤ ▥ ▦ ▧ ▨ ▩ ▪ ▫ ▬ ▭ ▮ ▯ ▰ ▱ ▲ △ ▴ ▵ ▶ ▷ ▸ ▹ ► ▻ ▼ ▽ ▾ ▿ ◀ ◁ ◂ ◃ ◄ ◅ ◆ ◇ ◈ ◉ ◊ ○ ◌ ◍ ◎ ● ◐ ◑ ◒ ◓ ◔ ◕ ◖ ◗ ◘ ◙ ◚ ◛ ◜ ◝ ◞ ◟ ◠ ◡ ◢ ◣ ◤ ◥ ◦ ◧ ◨ ◩ ◪ ◫ ◬ ◭ ◮ ◯ ◰ ◱ ◲ ◳ ◴ ◵ ◶ ◷ ◸ ◹ ◺ ◻ ◼ ◽ ◾ ◿ 

方菱形(Square Lozenge)：<span style='padding:8px;font-size:40px;line-height:150%' title='U+2311'>⌑</span> &amp;#8977; <img src='https://www.utf8icons.com/character_image/8977-square-lozenge.png' width=300 height=* />

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

從以上選出較常用者再加上「＋×‧÷±=＝」得常用算符：
:＋ − × ‧ ÷ ± ∓ = ＝ ≠ ≒ ≡ ≦ ≧ ≅ ∞ ∝ √ ∛ ∜ ∴ ∵ ∈ ∉ ∩ ∪ ⊂ ⊆ ∅ ∫ ∮ ∂ ∆ ∇

更理想的代用：
<pre>∑(UTF8為數學符號準備的)  Σ(&amp;Sigma;)</pre>
<pre>∘(UTF8為數學符號準備的)  °(&amp;deg;)</pre>

綜合幾何圖形和數學符號得到：∠  △  □  ○  ⊥  ∦  ∥或||(兩根&#124;)或//(兩根&#47;)

單位：㎡  ％  ‰  ℃ ℉

可用鍵盤 keyin 取代：㏒  ㏑  ％  ℃ ℉

箭頭：
:← ↑ → ↓ ↔ ↕ ↖ ↗ ↘ ↙ ↚ ↛ ↜ ↝ ↞ ↟ ↠ ↡ ↢ ↣ ↤ ↥ ↦ ↧ ↨ ↩ ↪ ↫ ↬ ↭ ↮ ↯ ↰ ↱ ↲ ↳ ↴ ↵ ↶ ↷ ↸ ↹ ↺ ↻ ↼ ↽ ↾ ↿ ⇀ ⇁ ⇂ ⇃ ⇄ ⇅ ⇆ ⇇ ⇈ ⇉ ⇊ ⇋ ⇌ ⇍ ⇎ ⇏ ⇐ ⇑ ⇒ ⇓ ⇔ ⇕ ⇖ ⇗ ⇘ ⇙ ⇚ ⇛ ⇜ ⇝ ⇞ ⇟ ⇠ ⇡ ⇢ ⇣ ⇤ ⇥ ⇦ ⇧ ⇨ ⇩ ⇪ ⇫ ⇬ ⇭ ⇮ ⇯ ⇰ ⇱ ⇲ ⇳ ⇴ ⇵ ⇶ ⇷ ⇸ ⇹ ⇺ ⇻ ⇼ ⇽ ⇾ ⇿ 

圖示：
:☀ ☁ ☂ ☃ ☄ ★ ☆ ☇ ☈ ☉ ☊ ☋ ☌ ☍ ☎ ☏ ☐ ☑ ☒ ☓ ☔ ☕ ☖ ☗ ☘ ☙ ☚ ☛ ☜ ☝ ☞ ☟ ☠ ☡ ☢ ☣ ☤ ☥ ☦ ☧ ☨ ☩ ☪ ☫ ☬ ☭ ☮ ☯ ☰ ☱ ☲ ☳ ☴ ☵ ☶ ☷ ☸ ☹ ☺ ☻ ☼ ☽ ☾ ☿ ♀ ♁ ♂ ♃ ♄ ♅ ♆ ♇ ♈ ♉ ♊ ♋ ♌ ♍ ♎ ♏ ♐ ♑ ♒ ♓ ♔ ♕ ♖ ♗ ♘ ♙ ♚ ♛ ♜ ♝ ♞ ♟ ♠ ♡ ♢ ♣ ♤ ♥ ♦ ♧ ♨ ♩ ♪ ♫ ♬ ♭ ♮ ♯ ♰ ♱ ♲ ♳ ♴ ♵ ♶ ♷ ♸ ♹ ♺ ♻ ♼ ♽ ♾ ♿ ⚀ ⚁ ⚂ ⚃ ⚄ ⚅ ⚆ ⚇ ⚈ ⚉ ⚊ ⚋ ⚌ ⚍ ⚎ ⚏ ⚐ ⚑ ⚒ ⚓ ⚔ ⚕ ⚖ ⚗ ⚘ ⚙ ⚚ ⚛ ⚜ ⚝ ⚞ ⚟ ⚠ ⚡ ⚢ ⚣ ⚤ ⚥ ⚦ ⚧ ⚨ ⚩ ⚪ ⚫ ⚬ ⚭ ⚮ ⚯ ⚰ ⚱ ⚲ ⚳ ⚴ ⚵ ⚶ ⚷ ⚸ ⚹ ⚺ ⚻ ⚼ ⚽ ⚾ ⚿ ⛀ ⛁ ⛂ ⛃ ⛄ ⛅ ⛆ ⛇ ⛈ ⛉ ⛊ ⛋ ⛌ ⛍ ⛎ ⛏ ⛐ ⛑ ⛒ ⛓ ⛔ ⛕ ⛖ ⛗ ⛘ ⛙ ⛚ ⛛ ⛜ ⛝ ⛞ ⛟ ⛠ ⛡ ⛢ ⛣ ⛤ ⛥ ⛦ ⛧ ⛨ ⛩ ⛪ ⛫ ⛬ ⛭ ⛮ ⛯ ⛰ ⛱ ⛲ ⛳ ⛴ ⛵ ⛶ ⛷ ⛸ ⛹ ⛺ ⛻ ⛼ ⛽ ⛾ ⛿

圖示摘選：
:👍

方框、勾、叉、圈：<br/>
<table class='nicetable'>
<tr>
<th style='border:1px solid rgb(170,170,170);padding:0.2em;text-align:center'>符<br/>號</th>
<th style='border:1px solid rgb(170,170,170);padding:0.2em;text-align:center'>Unicode<br/>(Hex)</th>
<th style='border:1px solid rgb(170,170,170);padding:0.2em;text-align:center'>名字</th>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>⍻</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+237B</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>NOT CHECK MARK(無勾號)</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>☐</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2610</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>BALLOT BOX(方格)</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>✅</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2705</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>WHITE HEAVY CHECK MARK(白色粗勾號)</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>✓</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2713</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>CHECK MARK(勾號)</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>✔</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2714</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>HEAVY CHECK MARK(粗勾號)</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>☑</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2611</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>BALLOT BOX WITH CHECK(打勾方格)<br>
</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>✗</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2717</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>BALLOT X(交叉)</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>✘</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2718</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>HEAVY BALLOT X(粗體交叉)</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>☒</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2612</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>BALLOT BOX WITH X(帶交叉方格)</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>╳</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2573</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>box drawings light diagonal cross(方格對角交叉)</td>
</tr><tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>×</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+00D7</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>乘法符號</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>⨯</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2A2F</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>向量積</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>○</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+25CB</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>WHITE CIRCLE</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>●</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+25CF</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>BLACK CIRCLE</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>•</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+2022</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>&amp;bull;</td>
</tr>
<tr>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'><big>◯</big></td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>U+25EF</td>
<td style='border:1px solid rgb(170,170,170);padding:0.2em;'>LARGE CIRCLE<br>
</td>
</tr>
</table>

#各種連接號請見：[https://zh.wikipedia.org/zh-tw/連接號 連接號]
#各種[https://www.htmlsymbols.xyz/geometric-symbols/circle 圓]：
#各種[https://www.htmlsymbols.xyz/games-symbols/go-markers Go markers]


各種編號(十進位)：<br/>
9312:&#9312;<pre>
①  ②  ③  ④  ⑤  ⑥  ⑦  ⑧  ⑨  ⑩  ⑪  ⑫  ⑬  ⑭  ⑮  ⑯  ⑰  ⑱  ⑲  ⑳
⑴  ⑵  ⑶  ⑷  ⑸  ⑹  ⑺  ⑻  ⑼  ⑽  ⑾  ⑿  ⒀  ⒁  ⒂  ⒃  ⒄  ⒅  ⒆  ⒇
⒈  ⒉  ⒊  ⒋  ⒌  ⒍  ⒎  ⒏  ⒐  ⒑  ⒒  ⒓  ⒔  ⒕  ⒖  ⒗  ⒘  ⒙  ⒚  ⒛
⒜  ⒝  ⒞  ⒟  ⒠  ⒡  ⒢  ⒣  ⒤  ⒥  ⒦  ⒧  ⒨  ⒩  ⒪  ⒫  ⒬  ⒭  ⒮  ⒯  ⒰  ⒱  ⒲  ⒳  ⒴  ⒵
Ⓐ  Ⓑ  Ⓒ  Ⓓ  Ⓔ  Ⓕ  Ⓖ  Ⓗ  Ⓘ  Ⓙ  Ⓚ  Ⓛ  Ⓜ  Ⓝ  Ⓞ  Ⓟ  Ⓠ  Ⓡ  Ⓢ  Ⓣ  Ⓤ  Ⓥ  Ⓦ  Ⓧ  Ⓨ  Ⓩ
ⓐ  ⓑ  ⓒ  ⓓ  ⓔ  ⓕ  ⓖ  ⓗ  ⓘ  ⓙ  ⓚ  ⓛ  ⓜ  ⓝ  ⓞ  ⓟ  ⓠ  ⓡ  ⓢ  ⓣ  ⓤ  ⓥ  ⓦ  ⓧ  ⓨ  ⓩ
⓪
⓫  ⓬  ⓭  ⓮  ⓯  ⓰  ⓱  ⓲  ⓳  ⓴
⓵  ⓶  ⓷  ⓸  ⓹  ⓺  ⓻  ⓼  ⓽  ⓾
9471:⓿
10102:❶  ❷  ❸  ❹  ❺  ❻  ❼  ❽  ❾  ❿
➀  ➁  ➂  ➃  ➄  ➅  ➆  ➇  ➈  ➉
➊  ➋  ➌  ➍  ➎  ➏  ➐  ➑  ➒  10131:➓</pre>


點字用：<br/>
[https://en.wiktionary.org/wiki/Appendix:Braille_script 請參考 Braille script]<pre>⠁   ⠂   ⠄   ⠈   ⠐   ⠠

⠃   ⠅   ⠆   ⠘   ⠨   ⠰   ⠉   ⠒   ⠤

⠑   ⠡   ⠢   ⠊   ⠌   ⠔

⠇   ⠸   ⠎   ⠱   ⠣   ⠜   ⠪   ⠕

⠋   ⠙   ⠓   ⠚   ⠍   ⠩   ⠥   ⠬   ⠖   ⠲   ⠦   ⠴

⠏   ⠹   ⠧   ⠼   ⠫   ⠝   ⠮   ⠵

⠺   ⠗   ⠞   ⠳   ⠛   ⠭   ⠶

⠟   ⠻   ⠷   ⠾   ⠯   ⠽   ⠿
 
⡇   ⢇  ⣇</pre>
</div>