Given the huge amount of unicode characters available I found
it quite difficult to locate a particular character. To this end
I created the following quick reference to commonly used
(language independent) characters, from which you can cut & paste.
For more unicode info, please see my unicode notes.


Currency

¢ 0x00A2 cent
£ 0x00A3 pound
¥ 0x00A5 Yen
€ 0x20AC euro

box drawing

─ │       0x25(00,02)
 ┌ ┐ └ ┘  0x25(0C,10,14,18)
├ ┤ ┬ ┴ ┼ 0x25(1C,24,2C,34,3C)

punctuation

‽ 0x203D interrobang
‘ 0x2018 left curly single quote
’ 0x2019 right curly single quote
“ 0x201C left curly double quote
” 0x201D right curly double quote
… 0x2026 horizontal ellipsis
• 0x2022 circle bullet
‣ 0x2023 triangular bullet
⁃ 0x2043 hyphen bullet
➊ 0x278A ➋➌➍➎➏➐➑➒➓

Control Symbols

␀ 0x2400 Null
␛ 0x241B Escape
␈ 0x2408 Backspace
␡ 0x2421 Delete
␉ 0x2409 Tab
␊ 0x240A Line feed
␍ 0x240D Carriage return
␤ 0x2424 New line
␠ 0x2420 Space
␣ 0x2423 Space graphic

Misc

° 0x00B0 degree
℃ 0x2103 Degrees C
¹ 0x00B9 superscript 1
² 0x00B2 superscript 2
³ 0x00B3 superscript 3
⁴ 0x2074 superscript 4
† 0x2020 dagger
‡ 0x2021 double dagger
☹ 0x2639 sad face
☺ 0x263A happy face
© 0x00A9 copyright
® 0x00AE registered trademark
™ 0x2122 trademark
← 0x2190 left
↑ 0x2191 up
→ 0x2192 right
↓ 0x2193 down
↔ 0x2194 left right

Mathematical

± 0x00B1 plus minus
× 0x00D7 multiply
÷ 0x00F7 divide
≈ 0x2248 almost equal to
≠ 0x2260 not equal to
≡ 0x2261 equivalent to
≤ 0x2264 less than or equal to
≥ 0x2265 greater than or equal to
∴ 0x2234 therefore
∵ 0x2235 because
α 0x03B1 alpha
β 0x03B2 beta
π 0x03C0 pi
µ 0x00B5 micro
∞ 0x221E infinity