The Math/Script Keyboard offers a convenient method for special characters input. To enable this feature, click the setup( ⚙) button, then enable "Symbols and Special Characters" radio button. After returning to the keyboard, typing any character will display related special characters in a pick window. You can select any or all of these special characters by clicking on each one. Most of keys are mapped to related special characters. For your reference, below is a map of all available special characters.
1 ₁ Ⅰ ⅰ ① ⑴ ⒈ ❶ 𝟙 𝟭
2 ₂ Ⅱ ⅱ ② ⑵ ⒉ ❷ 𝟚 𝟮
3 ₃ Ⅲ ⅲ ③ ⑶ ⒊ ❸ 𝟛 𝟯
+ ₊ ⁺ ᐩ ˖ ̟ ⊕ ⨁ ⊞ ⨹ ⧺ ⧻ ⨢ ⨣ ⨤ ∔ ⨥ ⨦ ⨧ ± ∓ † ‡ ＋ ☩ ♰ ♱ ✙ ✛ ✜ ✝ ✞ ✟ ✠ ✚ ➕
* ⁎ ⁑ ⁂ ※ ⊗ ✴ ✳ ⚜ ★ ☆ ⚝ ✪ ✫ ✬ ✭ ✰ ✦ ✧ ❂ ⍟ ✱ ✲ ✼ ❃ ⧆ ✣ ⊛ ❇ ❈ ✨ ✡ ✡️ ☪
^ ˄ ˇ ⋀ ⋁ ⋎ ⊻ ⊼ ⊽ ∨ ⋏ ∠ ∡ ∢ ∀ ⊾ ⍼ ⟀ ⦛ ⦝ ⦞ ⦠ ⦡ ⦢ ⦣ ⦤ ⦥ ⸖
4 ₄ Ⅳ ⅳ ④ ⑷ ⒋ ❹ 𝟜 𝟰
5 ₅ Ⅴ ⅴ ⑤ ⑸ ⒌ ❺ 𝟝 𝟱
6 ₆ Ⅵ ⅵ ⑥ ⑹ ⒍ ❻ 𝟞 𝟲
- ₋ ⁻ ˗ ̠ ∸ ≂ ⊖ ⊟ ➖ ⤼ ━ ─ ╍ ┅ ┉ ┄ ┈ ╌ ╴ ╶ ╸ ╺ ╼ ╾ ﹉ ﹍ ﹊ ﹎ ‐⁃
/ ÷ ⊘ ⋇ ⟌ ⦼ ⨸ ╲ ╱ 〵 ᐟ ⑊ ︳ ½ ⅓ ⅔ ¼ ¾ ⅕ ⅖ ⅗ ⅘ ⅙ ⅚ ⅐ ⅛ ⅜ ⅝ ⅞ ⅑ ⅒ ⅟
= ₌ ⁼ ≃ ≄ ≅ ≆ ≇ ≈ ≉ ≜ ≝ ≟ ≠ ≡ ≤ ≥ ≪ ≫ ∞ ⇌ ∝
7 ₇ Ⅶ ⅶ ⑦ ⑺ ⒎ ❼ 𝟟 𝟳
8 ₈ Ⅷ ⅷ ⑧ ⑻ ⒏ ❽ 𝟠 𝟴
9 ₉ Ⅸ ⅸ ⑨ ⑼ ⒐ ❾ 𝟡 𝟵
0 ₀ 。 Ⅹ Ⅺ Ⅻ ⅹ ⅺ ⅻ ⑩ ⑽ ⒑ ❿ 𝟬 𝟘 ° ○ ◍ ☉ ⚆ ⚇ ⏣ ⍉ ⌽ ∅ ⃠ ⍜ ⍥ ⊕ ⊖ ⊗ ⊘ ⊙ ⊚ ⊛ ⊜ ⊝ ● ◌ ◖ ◗ ◙ ◯
. • ‧ ˙ ‥ … ° ∙ • ◦ · ⋰ ⋱ ∴ ∵
( ₍ ⁽ ⊂ ⊄ ⊆ ⊈ ⊆ ⊊ ⊌ ⊍ ⊎ ∈ ∉ ∩ ∪
) ₎ ⁾ ⊃ ⊅ ⊇ ⊅ ⊇ ⊋ ⊌ ⊍ ⊎ ∍ ∩ ∪
< « ≤ ≦ ≨ ≪ ≮ ≰ ≲ ≴ ⋖ ⋘ ⋜ ⋦ ⍃ ⥶ ⥷ ⧀ ❬ ❰ 〈 〈 〱 《 ⟪ ＜ ← ↑ ◀ ◁ ◂ ◃ ↔ ↕ ↖ ↙ ↰ ↲ ↴ ↵ ↶ ↹ ⇇ ⇦ ↺ ⇱
> » ≥ ≧ ≩ ≫ ≯ ≱ ≳ ≵ ⋗ ⋙ ⋝ ⋧ ⍄ ⥸ ⍩ ⧁ ❭ ❱ 〉 〉 》 ⟫ ＞ → ↓ ▶ ▷ ▸ ▹ ⇄ ⇅ ⇆ ⇈ ⇉ ⇊ ⇋ ⇌ ⇧ ⇨ ⇩ ⇳ ⇲ ↗ ↘ ↱ ↳ ↷ ↻
[ ﹝ 〔 【 〘 〖 ⟦ ⎴ ⊏ ⊑ ⋢ ⋤ ⊓ ⊔ 「 ⎡
] ﹞ 〕 】 〙 〗 ⟧ ⎵ ⊐ ⊒ ⋣ ⋥ ⊓ ⊔ 」 ⎤
{ ｛ ❴ ︸ ⎨ ⦃ ⦇
} ｝ ❵ ︷ ⎬ ⦄ ⦈
;
@ ☎ ✆ ☏ ✐ 📎 📨 ⌚ 📆 📫 ⌨ 📌 📧 ☼ ❄ 🌛 ☃ ⛄ ⛄ 🌂 ☂ ⛅ ☾ 🌀 ϟ ♨ ☄ 🌈 🌷 🍀 ☘ ⚜ ⚘ 💐 🌼 🌻
# ♭ ♮ ♯ ⋕ 𝄫 𝇑 𝄪 𝄴 𝄆 𝄇 𝄐 ♩ ♪ ♫ ♬ 𝄜 𝄞 𝄟 𝄠 𝄡 𝄢 𝄣 𝄤 𝄥 𝄦 𝇐 𝄼𝄽 𝅗𝅥 𝅘𝅥𝅯 𝅘𝅥𝅰 𝅘𝅥𝅱 𝅘𝅥𝅲 𝆒 𝆓
$ ₳ ฿ ₿ ฿ ₵ ₡ ₢ ₠ ¢ € ₯ ₫ ₣ ƒ ₲ ₭ ₤ ₦ ₱ ₽ ₧ ₴ ৲ ¤ ৳ ៛ ₮ ₰ ₺ ₪ 💱 ﷼ ௹
% ‰ ‱ ٪ ％ ﹪
& ⅋ μ ㎛ ㎜ ㎝ ㎞ ㏕ ㎠ ㎡ ㎢ ㏊ ㎤ ㎥ ㎦ ㎗ ㎱ ㎲ ㎎ ㎏ ㎐ ㎑ ㎒ ㎓ ㎽ ㎾ ㏀ ㏁ ㍱ ㎫ ㍴ ㎶ ㎸ ㎹ ㎁ ㎂ ㎃ ㎊ ㎌ ㎧ ㎉ ㏙ ㏗ ㏈ ㏖ ㏂ ㏘ ° ℃ ℉
? ☠ ☡ ☢ ☣ ☤ ☮ ☯ ♿ ⚕ ⚠ ⚡ 📵 🚷 🚭 🚸 ⛔ 🚳 🔞
! 😁 😂 😃 😄 😅 😆 😇 😈 😉 😊 😋 😌 😍 😎 😏 😘 😚 😜 😝 🙃 🤭 🙂 🥰 😵 😸 😹 😺 😺 😻 😼 👯 😳 😍 😻 🤗 🐱 😸 😹 😺 😼 😻 😽 ☺ ☻ 〠 ㆅ ఠ ಠ ഋ ൠ ⍥ ⍢ ӧ Ӫ
' ‘ ’ ‚ ‛ ❛ ❜ ❟ ˘ ˜
" 〃 „ “ ” „ ‟ ❝ ❞ ❠ 〝 〞 〟 ＂
_ ‗ ⎺ ⎻ ⎼ ⎽ ━ ┅ ╍ ╸ ☰ ⚍ ⚎ ⚏ ﹏ 𝄖 𝄗 𝄘 𝄙 𝄚 𝄛 ═ ⸺ —
∛ ∜
Σ ⅀ ∑ ∑ 𝚺 𝝨 𝞢 𝛴 𝛔 𝜎 𝝈 𝞼 𝞂 𝛓 𝜍 𝞁 𝞻 ⎲ ⎳ ∀ ∂ ∃ ∄
∫ ∫ ∬ ∭ ⨌ ∮ ∯ ∰ ∱ ∲ ∳ ⨍ ⨎ ⨏ ⨕ ⨖ ⨗ ⨘ ⨙ ⨚ ⨛ ⨜
| ⎢ ∤ ‖ 〢 〣 ┇ ┋ ╏ ║ ︱ ╵ 〡 ╷ ┌ ┐ └ ┘ ┴ ┬ ├ ─ ┼ ┤ │ ╔ ╗ ╚ ╝ ╦ ╩ ╬ ╠ ╣ ═ ‖ ∎
\ ⋮ ⋯ ⋰ ⋱ ⟨ ⟩ °
q q̂ ℚ ⒬ Ⓠ ⓠ ᑫ 𝕼 𝒬
w ʷ ᵂ ⒲ Ⓦ ⓦ 𝕎 𝖂 𝒲
e ₑ ᵉ ⒠ Ⓔ ⓔ ᴱ 𝔼 ⅇ ê ë Ê Ë ē ℈ 𝕰 ℰ
r ᵣ ʳ ® ℝ ⒭ Ⓡ ⓡ ᴿ ℞ ℟ 𝕽 ℛ
t ₜ ᵗ ™ ⒯ Ⓣ ⓣ ᵀ 𝕋 ť 𝕿 𝒯
y ʸ ⒴ Ⓨ ⓨ 𝕐 ÿ ý Ȳ ȳ ŷ ⅄ 𝖄 𝒴
u ᵤ ᵘ ⒰ Ⓤ ⓤ ᵁ 𝕌 ü û Ü Û ũ Ū 𝖀 𝒰
i ᵢ ⁱ ᴵ ⒤ Ⓘ ⓘ 𝕀 ⅈ 𝕴 ℐ
o ₒ ᵒ ⒪ Ⓞ ⓞ ᴼ 𝕆 õ ô Ø Ö Õ Ő ő 𝕺 𝒪
p ₚ ᵖ ¶ ‽ ℙ ℿ ℼ ⒫ Ⓟ ⓟ p̂ 𝑝 ¶ ᴾ ℗ 𝕻 𝒫
a ₐ ᵃ ᴬ ⒜ Ⓐ ⓐ 𝔸 å ã â Å Å Ã Â Ā ā α⃗ 𝕬 𝒜
s ₛ ˢ § ␣ ∂ ⒮ Ⓢ ⓢ 𝕊 § 𝕾 𝒮
d ᵈ ° ∇ ⒟ Ⓓ ⓓ ᴰ 𝔻 ⅆ δ Ð ᵟ 𝚫 𝕯 𝒟 Δ δ ᵟ ẟ ≜ ⍋ ⍙ 𝚫 𝛅 𝛥 𝜹 𝝙 𝝳 𝞓 𝞓
f ᶠ ° ℉ Ⅎ ⒡ Ⓕ ⓕ 𝔽 𝕱 ℱ
g ᵍ ᴳ ⒢ Ⓖ ⓖ 𝔾 Ġ ĝ ℊ Ĝ 𝕲 𝒢
h ₕ ʰ ᴴ ħ ƛ ⒣ Ⓗ ⓗ ℍ 𝕳 ℋ
j ⱼ ʲ ⒥ Ⓙ ⓙ ᴶ 𝕁 ⅉ 𝕵 𝒥
k ₖ ᵏ ⒦ Ⓚ ⓚ 𝕂 ĸ 𝕶 𝒦
l ₗ ˡ ℓ ⅂ ⅃ ⒧ Ⓛ ⓛ ᴸ 𝕃 𝕷 ℒ
z ᶻ ẑ ⒵ Ⓩ ⓩ ℥ ℤ 𝖅 𝒵
x ₓ ˣ ✓ ✗ ☐ ☑ ☒ Ⓧ ⓧ 💯 ⒳ 𝕏 X̄ x̄ ᵪ 𝖃 𝒳
c ᶜ © ℂ ° ℃ ⒞ Ⓒ ⓒ ℂ Ċ ċ 𝕮 𝒞
v ᵥ ᵛ ⒱ Ⓥ ⓥ ⱽ ℣ 𝕍 𝖁 𝒱
b ᵇ ⒝ Ⓑ ⓑ ᴮ 𝔹 ᵦ 𝕭 ℬ
n ₙ ⁿ ℕ ⒩ Ⓝ ⓝ ᴺ ñ Ñ № 𝕹 𝒩
m ₘ ᵐ ⒨ Ⓜ ⓜ ᴹ 𝕄 𝕸