View source for LaTeX:Symbols

{{Latex}}

This article will provide a short list of commonly used LaTeX symbols.

==Operators==
{| class="latextable"
!Symbol!!Command!!Symbol!!Command!!Symbol!!Command
|-
|<math>\pm</math>||\pm||<math>\mp</math>||\mp||<math>\times</math>||\times
|-
|<math>\div</math>||\div||<math>\cdot</math>||\cdot||<math>\ast</math>||\ast
|-
|<math>\star</math>||\star||<math>\dagger</math>||\dagger||<math>\ddagger</math>||\ddagger
|-
|<math>\amalg</math>||\amalg||<math>\cap</math>||\cap||<math>\cup</math>||\cup
|-
|<math>\uplus</math>||\uplus||<math>\sqcap</math>||\sqcap||<math>\sqcup</math>||\sqcup
|-
|<math>\vee</math>||\vee||<math>\wedge</math>||\wedge||<math>\oplus</math>||\oplus
|-
|<math>\ominus</math>||\ominus||<math>\otimes</math>||\otimes||<math>\circ</math>||\circ
|-
|<math>\bullet</math>||\bullet||<math>\diamond</math>||\diamond||<math>\lhd</math>||\lhd
|-
|<math>\rhd</math>||\rhd||<math>\unlhd</math>||\unlhd||<math>\unrhd</math>||\unrhd
|-
|<math>\oslash</math>||\oslash||<math>\odot</math>||\odot||<math>\bigcirc</math>||\bigcirc
|-
|<math>\triangleleft</math>||\triangleleft||<math>\Diamond</math>||\Diamond||<math>\bigtriangleup</math>||\bigtriangleup
|-
|<math>\bigtriangledown</math>||\bigtriangledown||<math>\Box</math>||\Box||<math>\triangleright</math>||\triangleright
|-
|<math>\setminus</math>||\setminus||<math>\wr</math>||\wr
|}

==Relations==
{| class="latextable"
!Symbol !! Command !!Symbol !! Command!!Symbol !! Command
|-
| <math>\le</math>||\le||<math>\ge</math>||\ge||<math>\neq</math>||\neq
|-
| <math>\sim</math>||\sim||<math>\ll</math>||\ll||<math>\gg</math>||\gg
|-
| <math>\doteq</math>||\doteq||<math>\simeq</math>||\simeq||<math>\subset</math>||\subset
|-
| <math>\supset</math>||\supset||<math>\approx</math>||\approx||<math>\asymp</math>||\asymp
|-
| <math>\subseteq</math>||\subseteq||<math>\supseteq</math>||\supseteq||<math>\cong</math>||\cong
|-
| <math>\smile</math>||\smile||<math>\sqsubset</math>||\sqsubset||<math>\sqsupset</math>||\sqsupset
|-
| <math>\equiv</math>||\equiv||<math>\frown</math>||\frown||<math>\sqsubseteq</math>||\sqsubseteq
|-
| <math>\sqsupseteq</math>||\sqsupseteq||<math>\propto</math>||\propto||<math>\bowtie</math>||\bowtie
|-
| <math>\in</math>||\in||<math>\ni</math>||\ni||<math>\prec</math>||\prec
|-
| <math>\succ</math>||\succ||<math>\vdash</math>||\vdash||<math>\dashv</math>||\dashv
|-
| <math>\preceq</math>||\preceq||<math>\succeq</math>||\succeq||<math>\models</math>||\models
|-
| <math>\perp</math>||\perp||<math>\parallel</math>||\parallel|| <math>\|</math> || <pre>\|</pre>
|-
| <math>\mid</math>||\mid
|}
Negations of many of these relations can be formed by just putting \not before the symbol, or by slipping an n between the \ and the word. Here are a few examples, plus a few other negations; it works for many of the others as well.
{| class="latextable"
!Symbol!!Command!!Symbol!!Command!!Symbol!!Command
|-
|<math>\nmid</math>||\nmid||<math>\nleq</math>||\nleq||<math>\ngeq</math>||\ngeq
|-
| <math>\nsim</math>||\nsim||<math>\ncong</math>||\ncong||<math>\nparallel</math>||\nparallel
|-
| <math>\not<</math>||\not<||<math>\not></math>||\not>||<math>\not=</math>||\not=
|-
| <math>\not\le</math>||\not\le||<math>\not\ge</math>||\not\ge||<math>\not\sim</math>||\not\sim
|-
|<math>\not \approx</math>||\not\approx||<math>\not\cong</math>||\not\cong||<math>\not\equiv</math>||\not\equiv
|-
| <math>\not\parallel</math>||\not\parallel||<math>\nless</math>||\nless||<math>\ngtr</math>||\ngtr
|-
| <math>\lneq</math>||\lneq||<math>\gneq</math>||\gneq||<math>\lnsim</math>||\lnsim
|-
| <math>\lneqq</math>||\lneqq||<math>\gneqq</math>||\gneqq
|}

==Greek Letters==
==Arrows==
==Dots==
==Accents==
==Others==
==Bracketing Symbols==
==Multi-Size Symbols==

'''\boxed{Answer}'''  produces a box around your Answer. 

'''\frac{a}{b}''' produces a [[fraction]] with [[numerator]] <math>a</math> and [[denominator]] <math>b</math>.  <math>\frac{a}{b}</math>

'''^\circ''' produces the degrees symbol.  <math>a^{\circ}</math>

'''\text{Your Text Here}''' produces text within LaTeX.  <math>\mbox{Your Text Here}</math>. 

'''\mbox{Your Text Here}''' Produces text within LaTeX <math>\mbox{Your Text Here}</math>

'''\sqrt{x}''' produces the square root of <math>x</math>.  <math>\sqrt{x}</math>

'''\sqrt[n]{x}''' produces the <math>n</math>th root of <math>x</math>.  <math>\sqrt[n]{x}</math>

'''a\equiv b \pmod{c}''' produces <math>a</math> is equivalent to <math>b</math> mod <math>c</math>.  <math>a\equiv b \pmod{c}</math> See [[Mods |Modular Arithmetic]]

'''\binom{9}{3}''' produces 9 choose 3.

'''{n}\choose{r}''' produces n choose r. <math>{n}\choose{r}</math>

'''x^{y}''' produces x to the power of y.  <math>x^y</math>

'''x_{y}''' produces x with y in subscript.  <math>x_y</math>

'''\rightarrow''' produces an arrow to the right.  <math>\rightarrow</math>

'''\leftarrow''' produces an arrow to the left. <math>\leftarrow</math>

'''\uparrow''' produces an arrow pointing upwards. <math>\uparrow</math>

'''\downarrow''' produces an arrow pointing downwards. <math>\downarrow</math>

'''\updownarrow''' produces an arrow pointing up and down. <math>\updownarrow</math>

'''\ge''' produces a greater than or equal to sign. <math>\ge</math>

'''\le''' produces a less than or equal to sign. <math>\le</math>

'''\not>''' produces a not greater than sign. <math>\not></math>

'''\not<''' produces a not less than sign. <math>\not<</math>

'''\not\ge''' produces a not greater than or equal to sign. <math>\not\ge</math>

'''\not\le''' produces a not less than or equal to sign. <math>\not\le</math>

'''\neq''' produces a not equal to sign. <math>\neq</math>

'''\infty''' produces an infinity sign. <math>\infty</math>

'''\perp''' produces a perpendicular sign. <math>\perp</math>

'''\angle''' produces an angle sign. <math>\angle</math>

'''\triangle''' produces a triangle. <math>\triangle</math>

'''\ldots''' produces three dots at the bottom of a line (ellipsis). <math>\ldots</math>

'''\cdots''' produces three dots in the middle of a line (as in a series sum or product). <math>\cdots</math>

'''\times''' produces an <math>\times</math> as used in multiplication

'''\otimes''' produces a <math>\otimes</math>

Also note that you do not have to use braces, "{" and "}", when you only want one character in the operation.

==Examples==
* x^y is the same as x^{y}.  <math>x^y</math>
* x_y is the same as x_{y}.  <math>x_y</math>
* BUT x^10 is ''not'' the same as x^{10}.  <math>x^10</math> instead of <math>x^{10}</math>.


==See Also==
*[[LaTeX:Commands | Next: Commands]]
*[[LaTeX:Layout | Previous: Layout]]