As of version 3.2, the Unicode standard has 26 semantically distinct varients of the character minus. They are enumerated below, separated by code block.

The columns below should be interpreted as :

1. The Unicode code for the character
2. The character in question
3. The Unicode name for the character
4. The Unicode General Category for the character
5. The HTML entity if any, instead of using &#xUUUU;
6. (The SGML entities if any)

 

C0 Controls and Basic Latin

U+002D  -  hyphen minus   Pd   (‐)

 

C1 Controls and Latin-1 Supplement

U+00B1  ±  plus minus sign   Sm   ±   (±)

 

Spacing Modifier Letters

U+02D7  ˗  modifier letter minus sign   Sk

 

Combining Diacritical Marks

U+0320  ̠  combining minus sign below   Mn

 

General Punctuation

U+2052  ⁒  commercial minus sign   Sm

 

Superscripts and Subscripts

U+207B  ⁻  superscript minus   Sm
U+208B  ₋  subscript minus   Sm

 

Mathematical Operators

U+2212  −  minus sign   Sm   −   (−)
U+2213  ∓  minus or plus sign   Sm   (∓)
U+2216  ∖  set minus   Sm   (∖ ∖)
U+2238  ∸  dot minus   Sm
U+2242  ≂  minus tilde   Sm
U+2296  ⊖  circled minus   Sm   (⊖)
U+229F  ⊟  squared minus   Sm   (⊟)

 

Dingbats

U+2756  ❖  black diamond minus white X   So

 

Supplemental Arrows B

U+293C  ⤼  top arc clockwise arrow with minus   Sm

 

Supplemental Mathematical Operators

U+2A29  ⨩  minus sign with comma above   Sm
U+2A2A  ⨪  minus sign with dot below   Sm
U+2A2B  ⨫  minus sign with falling dots   Sm
U+2A2C  ⨬  minus sign with rising dots   Sm
U+2A3A  ⨺  minus sign in triangle   Sm
U+2A41  ⩁  union with minus sign   Sm
U+2A6C  ⩬  similar minus similar   Sm

 

Small Form Variants

U+FE63  ﹣  small hyphen minus   Pd

 

Halfwidth and Fullwidth Forms

U+FF0D  －  fullwidth hyphen minus   Pd

 

Tags

U+E002D  󠀭  tag hyphen minus   Cf