Roman numerals as single characters, and the vulgar fractions beyond the three Latin-1 supplies. A Roman numeral here is one character, not a run of letters, so Ⅷ and VIII sort and search differently.
The block spans U+2150–U+218F and holds 58 symbols that this site catalogues. Its characters were added across 4 Unicode releases, from 1.1 to 8.0. 3 of them carry an alias or usage note from the Unicode Standard itself.
Characters
58
Range
U+2150–U+218F
Reference pages
50
Unicode
17.0.0
Categories in this block: Letter number (39), Other number (17), Other symbol (2)
58 characters in this block
Click any character to copy it. Names are Unicode’s own. 50 of them have a reference page with escape codes, aliases and typing instructions.