Numbers are well covered in the Unicode Standard. The originally Arabic numbers 0–9 are part of the range Basic Latin (p. 16 above), and superscript and subscript numbers are located in the range Superscripts and subscripts (pp. 65–66 above), while Roman numerals are found in the range Number forms (pp. 68–69 above). The present subrange contains a small zero sign used for illegible characters and the three superscript Roman numerals I, V and X. The characters ‘j’, ‘v’ and ‘x’ with a bar across were often used as numerals for 1⁄2, 41⁄2 and 91⁄2 respectively. In v. 5.0 of the Unicode Standard, ‘j’ with a bar across was added to Latin Extended-B (p. 39 above). The latter two characters are not in the Standard and have been listed in subrange 5 (p. 114 above). Finally, Roman numerals are often supplied with a raised ‘o’ as a morphological complement, e.g. ‘mo’ for millesimo or ‘co’ for centissimo. When the small ‘o’ appears in a raised position immediately after the numeral, we recommend using 00BA MASCULINE ORDINAL INDICATOR in Latin-1 Supplement (p. 24), because this is a spacing character. When the ‘o’ appears in superscript position, e.g. mo or co, 0366 COMBINING LATIN SMALL LETTER O in Combining Diacritical Marks (p. 46) should be used.