12.9. Special CharactersThis section lists the following special characters:
The characters in the first table below are available on the standard fonts.
The characters in the remaining tables are available only on the special font.
Table 12-2. Characters on the Standard Fonts| Input | Char | Character Name |
| ' | ' | Close quote |
| ‘ | ‘ | Open quote |
| \(em | -- | Em-dash (width of “m”) |
| \(en | – | En-dash (width of “n”) |
| \- | - | Minus in current font |
| - | - | Hyphen |
| \(hy | - | Hyphen |
| \(bu |  | Bullet |
| \(sq |  | Square |
| \(ru | _ | Rule |
| \(14 | ¼ | 1/4 |
| \(12 | ½ | 1/2 |
| \(34 | ¾ | 3/4 |
| \(fi |  | fi ligature |
| \(fl |  | fl ligature |
| \(ff |  | ff ligature |
| \(Fi |  | ffi ligature |
| \(Fl |  | ffl ligature |
| \(de | ° | Degree |
| \(dg |  | Dagger |
| \(fm |  | Foot mark |
| \(ct | ¢ | Cent sign |
| \(rg | ® | Registered |
| \(co | © | Copyright |
Table 12-3. Miscellaneous Characters| Input | Char | Character Name |
| \(sc | § | Section |
| \(aa | ´ | Acute accent |
| \´ | ´ | Acute accent |
| \(ga | ` | Grave accent |
| \` | ` | Grave accent |
| \(ul | _ | Underrule |
| \(-> |  | Right arrow |
| \(<- |  | Left arrow |
| \(ua |  | Up arrow |
| \(da |  | Down arrow |
| \(br | | | Box rule |
| \(dd |  | Double dagger |
| \(rh |  | Right hand |
| \(lh |  | Left hand |
| \(ci |  | Circle |
Table 12-4. Bracket-Building Symbols| Input | Char | Character Name |
| \(lt |  | Left top of big curly bracket |
| \(lk |  | Left center of big curly bracket |
| \(lb |  | Left bottom of big curly bracket |
| \(rt |  | Right top of big curly bracket |
| \(rk |  | Right center of big curly bracket |
| \(rb |  | Right bottom of big curly bracket |
| \(lc |  | Left ceiling (left top) of big square bracket |
| \(bv | | | Bold vertical |
| \(lf |  | Left floor (left bottom) of big square bracket |
| \(rc |  | Right ceiling (right top) of big square bracket |
| \(rf |  | Right floor (right bottom) of big square bracket |
Table 12-4. Mathematics Symbols| Input | Char | Character Name |
| \(pl | + | Math plus |
| \(mi | - | Math minus |
| \(eq | = | Math equals |
| \(** | * | Math star |
| \(sl | / | Slash (matching backslash) |
| \(sr |  | Square root |
| \(rn | - | Root en extender |
| \(>= |  | Greater than or equal to |
| \(<= |  | Less than or equal to |
| \(== |  | Identically equal |
| \(~~ |  | Approximately equal |
| \(ap | ~ | Approximates |
| \(!= |  | Not equal |
| \(mu | × | Multiply |
| \(di | ÷ | Divide |
| \(+- | ± | Plus-minus |
| \(cu |  | Cup (union) |
| \(ca |  | Cap (intersection) |
| \(sb |  | Subset of |
| \(sp |  | Superset of |
| \(ib |  | Improper subset |
| \(ip |  | Improper superset |
| \(if |  | Infinity |
| \(pd |  | Partial derivative |
| \(gr |  | Gradient |
| \(no | ¬ | Not |
| \(is |  | Integral sign |
| \(pt |  | Proportional to |
| \(es |  | Empty set |
| \(mo |  | Member of |
| \(or | | | Or |
 |  |  | | 12.8. Predefined Registers |  | 13. mm Macros |
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