View source for Help:數學

==數學==
[[meta:Help:Formula]]

數學符宜入<code><nowiki><math> ... </math></nowiki></code>。

==常符==
<!-- Eight symbols per line seems to be optimal-->
{| class="wikitable"
! colspan="2" |

=== [[聲調]]/[[變音符]] ===
|-
|<code>\acute{a} \grave{a} \hat{a} \tilde{a} \breve{a}</code>
|<math>\acute{a} \grave{a} \hat{a} \tilde{a} \breve{a}\,\!</math>
|-
|<code>\check{a} \bar{a} \ddot{a} \dot{a}</code>
|<math>\check{a} \bar{a} \ddot{a} \dot{a}\!</math>
|-
! colspan="2" |

=== [[函數]] ===
|-
|<code>\sin a \cos b \tan c</code>
|<math>\sin a \cos b \tan c\!</math>
|-
|<code>\sec d \csc e \cot f</code>
|<math>\sec d \csc e \cot f\,\!</math>
|-
|<code>\arcsin h \arccos i \arctan j</code>
|<math>\arcsin h \arccos i \arctan j\,\!</math>
|-
|<code>\sinh k \cosh l \tanh m \coth n\!</code>
|<math>\sinh k \cosh l \tanh m \coth n\!</math>
|-
|<code>\operatorname{sh}o\,\operatorname{ch}p\,\operatorname{th}q\!</code>
|<math>\operatorname{sh}o\,\operatorname{ch}p\,\operatorname{th}q\!</math>
|-
|<code>\operatorname{arsinh}r\,\operatorname{arcosh}s\,\operatorname{artanh}t</code>
|<math>\operatorname{arsinh}r\,\operatorname{arcosh}s\,\operatorname{artanh}t\!</math>
|-
|<code>\lim u \limsup v \liminf w \min x \max y\!</code>
|<math>\lim u \limsup v \liminf w \min x \max y\!</math>
|-
|<code>\inf z \sup a \exp b \ln c \lg d \log e \log_{10} f \ker g\!</code>
|<math>\inf z \sup a \exp b \ln c \lg d \log e \log_{10} f \ker g\!</math>
|-
|<code>\deg h \gcd i \Pr j \det k \hom l \arg m \dim n</code>
|<math>\deg h \gcd i \Pr j \det k \hom l \arg m \dim n\!</math>
|-
! colspan="2" |

=== [[模代數]] ===
|-
|<code>s_k \equiv 0 \pmod{m}</code>
|<math>s_k \equiv 0 \pmod{m}\,\!</math>
|-
|<code>a\,\bmod\,b</code>
|<math>a\,\bmod\,b\,\!</math>
|-
! colspan="2" | 

=== [[微分]] ===
|-
|<code>\nabla \, \partial x \, \mathrm{d}x \, \dot x \, \ddot y\, \mathrm{d}y/\mathrm{d}x\, \frac{\mathrm{d}y}{\mathrm{d}x}\, \frac{\partial^2 y}{\partial x_1\,\partial x_2}</code>
|<math>\nabla \, \partial x \, \mathrm{d}x \, \dot x \, \ddot y\, \mathrm{d}y/\mathrm{d}x\, \frac{\mathrm{d}y}{\mathrm{d}x}\, \frac{\partial^2 y}{\partial x_1\,\partial x_2}</math>
|-
! colspan="2" |

=== [[集合]] ===
|-
|<code>\forall \exists \empty \emptyset \varnothing</code>
|<math>\forall \exists \empty \emptyset \varnothing\,\!</math>
|-
|<code>\in \ni \not \in \notin \subset \subseteq \supset \supseteq</code>
|<math>\in \ni \not \in \notin \subset \subseteq \supset \supseteq\,\!</math>
|-
|<code>\cap \bigcap \cup \bigcup \biguplus \setminus \smallsetminus</code>
|<math>\cap \bigcap \cup \bigcup \biguplus \setminus \smallsetminus\,\!</math>
|-
|<code>\sqsubset \sqsubseteq \sqsupset \sqsupseteq \sqcap \sqcup \bigsqcup</code>
|<math>\sqsubset \sqsubseteq \sqsupset \sqsupseteq \sqcap \sqcup \bigsqcup\,\!</math>
|-
! colspan="2" |

=== [[運算符]] ===
|-
|<code>+ \oplus \bigoplus \pm \mp - </code>
|<math>+ \oplus \bigoplus \pm \mp - \,\!</math>
|-
|<code>\times \otimes \bigotimes \cdot \circ \bullet \bigodot</code>
|<math>\times \otimes \bigotimes \cdot \circ \bullet \bigodot\,\!</math>
|-
|<code>\star * / \div \frac{1}{2}</code>
|<math>\star * / \div \frac{1}{2}\,\!</math>
|-
! colspan="2" |

<br />
=== [[邏輯符]] ===
|-
|<code>\land (or \and) \wedge \bigwedge \bar{q} \to p</code>
|<math>\land \wedge \bigwedge \bar{q} \to p\,\!</math>
|-
|<code>\lor \vee \bigvee \lnot \neg q \And</code>
|<math>\lor \vee \bigvee \lnot \neg q \And\,\!</math>
|-
! colspan="2" |

=== [[根號]] ===
|-
|<code>\sqrt{x} \sqrt[n]{x}</code>
|<math>\sqrt{x} \sqrt[n]{x}\,\!</math>
|-
! colspan="2" |

=== [[關系符]] ===
|-
|<code>\sim \approx \simeq \cong \dot=  \overset{\underset{\mathrm{def}}{}}{=}</code>
|<math>\sim \approx \simeq \cong \dot=  \overset{\underset{\mathrm{def}}{}}{=}\,\!</math>
|-
|<code>< \le \ll \gg \ge > \equiv \not\equiv \ne \mbox{or} \neq \propto</code>
|<math>< \le \ll \gg \ge > \equiv \not\equiv \ne \mbox{or} \neq \propto\,\!</math>
|-
|<code>\lessapprox \lesssim \eqslantless \leqslant \leqq \geqq \geqslant \eqslantgtr \gtrsim \gtrapprox</code>
|<math>\lessapprox \lesssim \eqslantless \leqslant \leqq \geqq \geqslant \eqslantgtr \gtrsim \gtrapprox</math>
|-
! colspan="2" |

=== [[幾何符]] ===
|-
|<code><nowiki>\Diamond \Box \triangle \angle \perp \mid \nmid \| 45^\circ</nowiki></code>
|<math>\Diamond \, \Box \, \triangle \, \angle \perp \, \mid \; \nmid \, \| 45^\circ\,\!</math>
|-
! colspan="2" |

=== [[箭頭]] ===
|-
|<code>\leftarrow (or \gets) \rightarrow (or \to) \nleftarrow \nrightarrow \leftrightarrow \nleftrightarrow \longleftarrow \longrightarrow \longleftrightarrow</code>
|<math>\leftarrow \rightarrow \nleftarrow \nrightarrow \leftrightarrow \nleftrightarrow \longleftarrow \longrightarrow \longleftrightarrow \,\!</math>
|-
|<code>\Leftarrow \Rightarrow \nLeftarrow \nRightarrow \Leftrightarrow \nLeftrightarrow \Longleftarrow \Longrightarrow \Longleftrightarrow (or \iff)</code>
|<math>\Leftarrow \Rightarrow \nLeftarrow \nRightarrow \Leftrightarrow \nLeftrightarrow \Longleftarrow \Longrightarrow \Longleftrightarrow \!</math>
|-
|<code>\uparrow \downarrow \updownarrow \Uparrow \Downarrow \Updownarrow  \nearrow \searrow \swarrow \nwarrow</code>
|<math>\uparrow \downarrow \updownarrow \Uparrow \Downarrow \Updownarrow  \nearrow \searrow \swarrow \nwarrow \!</math>
|-
|<code>\rightharpoonup \rightharpoondown \leftharpoonup \leftharpoondown \upharpoonleft \upharpoonright \downharpoonleft \downharpoonright \rightleftharpoons \leftrightharpoons</code>
|<math>\rightharpoonup \rightharpoondown \leftharpoonup \leftharpoondown \upharpoonleft \upharpoonright \downharpoonleft \downharpoonright \rightleftharpoons \leftrightharpoons \,\!</math>
|-
|<code>\curvearrowleft \circlearrowleft \Lsh \upuparrows \rightrightarrows \rightleftarrows \Rrightarrow \rightarrowtail \looparrowright</code>
|<math>\curvearrowleft \circlearrowleft \Lsh \upuparrows \rightrightarrows \rightleftarrows \Rrightarrow \rightarrowtail \looparrowright \,\!</math>
|-
|<code>\curvearrowright \circlearrowright \Rsh \downdownarrows \leftleftarrows \leftrightarrows \Lleftarrow \leftarrowtail \looparrowleft</code>
|<math>\curvearrowright \circlearrowright \Rsh \downdownarrows \leftleftarrows \leftrightarrows \Lleftarrow \leftarrowtail \looparrowleft \,\!</math>
|-
|<code>\mapsto \longmapsto \hookrightarrow \hookleftarrow \multimap \leftrightsquigarrow \rightsquigarrow </code>
|<math>\mapsto \longmapsto \hookrightarrow \hookleftarrow \multimap \leftrightsquigarrow \rightsquigarrow \,\!</math>
|-
! colspan="2" |

=== [[奇符]] ===
|-
|<code>\And \eth \S \P \% \dagger \ddagger \ldots \cdots</code>
|<math>\And \eth \S \P \% \dagger \ddagger \ldots \cdots\,\!</math>
|-
|<code>\smile \frown \wr \triangleleft \triangleright \infty \bot \top</code>
|<math>\smile \frown \wr \triangleleft \triangleright \infty \bot \top\,\!</math>
|-
|<code>\vdash \vDash \Vdash \models \lVert \rVert \imath \hbar</code>
|<math>\vdash \vDash \Vdash \models \lVert \rVert \imath \hbar\,\!</math>
|-
|<code>\ell \mho \Finv \Re \Im \wp \complement</code>
|<math>\ell \mho \Finv \Re \Im \wp \complement\,\!</math>
|-
|<code>\diamondsuit \heartsuit \clubsuit \spadesuit \Game \flat \natural \sharp</code>
|<math>\diamondsuit \heartsuit \clubsuit \spadesuit \Game \flat \natural \sharp\,\!</math>
|-
|<code> \vartriangle \triangledown \lozenge \circledS \measuredangle \nexists \Bbbk \backprime \blacktriangle \blacktriangledown</code>
|<math> \vartriangle \triangledown \lozenge \circledS \measuredangle \nexists \Bbbk \backprime \blacktriangle \blacktriangledown</math>
|-
|<code> \blacksquare \blacklozenge \bigstar \sphericalangle \diagup \diagdown \dotplus \Cap \Cup \barwedge</code>
|<math> \blacksquare \blacklozenge \bigstar \sphericalangle \diagup \diagdown \dotplus \Cap \Cup \barwedge\!</math>
|-
|<code> \veebar \doublebarwedge \boxminus \boxtimes \boxdot \boxplus \divideontimes \ltimes \rtimes \leftthreetimes</code>
|<math> \veebar \doublebarwedge \boxminus \boxtimes \boxdot \boxplus \divideontimes \ltimes \rtimes \leftthreetimes</math>
|-
|<code> \rightthreetimes \curlywedge \curlyvee \circleddash \circledast \circledcirc \centerdot \intercal \leqq \leqslant</code>
|<math> \rightthreetimes \curlywedge \curlyvee \circleddash \circledast \circledcirc \centerdot \intercal \leqq \leqslant</math>
|-
|<code> \eqslantless \lessapprox \approxeq \lessdot \lll \lessgtr \lesseqgtr \lesseqqgtr \doteqdot \risingdotseq</code>
|<math> \eqslantless \lessapprox \approxeq \lessdot \lll \lessgtr \lesseqgtr \lesseqqgtr \doteqdot \risingdotseq</math>
|-
|<code> \fallingdotseq \backsim \backsimeq \subseteqq \Subset \preccurlyeq \curlyeqprec \precsim \precapprox \vartriangleleft</code>
|<math> \fallingdotseq \backsim \backsimeq \subseteqq \Subset \preccurlyeq \curlyeqprec \precsim \precapprox \vartriangleleft</math>
|-
|<code> \Vvdash \bumpeq \Bumpeq \eqsim \gtrdot</code>
|<math> \Vvdash \bumpeq \Bumpeq \eqsim \gtrdot</math>
|-
|<code> \ggg \gtrless \gtreqless \gtreqqless \eqcirc \circeq \triangleq \thicksim \thickapprox \supseteqq</code>
|<math> \ggg \gtrless \gtreqless \gtreqqless \eqcirc \circeq \triangleq \thicksim \thickapprox \supseteqq</math>
|-
|<code> \Supset \succcurlyeq \curlyeqsucc \succsim \succapprox \vartriangleright \shortmid \between \shortparallel \pitchfork</code>
|<math> \Supset \succcurlyeq \curlyeqsucc \succsim \succapprox \vartriangleright \shortmid \between \shortparallel \pitchfork</math>
|-
|<code> \varpropto \blacktriangleleft \therefore \backepsilon \blacktriangleright \because \nleqslant \nleqq \lneq \lneqq</code>
|<math> \varpropto \blacktriangleleft \therefore \backepsilon \blacktriangleright \because \nleqslant \nleqq \lneq \lneqq</math>
|-
|<code> \lvertneqq \lnsim \lnapprox \nprec \npreceq \precneqq \precnsim \precnapprox \nsim \nshortmid</code>
|<math> \lvertneqq \lnsim \lnapprox \nprec \npreceq \precneqq \precnsim \precnapprox \nsim \nshortmid</math>
|-
|<code> \nvdash \nVdash \ntriangleleft \ntrianglelefteq \nsubseteq \nsubseteqq \varsubsetneq \subsetneqq \varsubsetneqq \ngtr</code>
|<math> \nvdash \nVdash \ntriangleleft \ntrianglelefteq \nsubseteq \nsubseteqq \varsubsetneq \subsetneqq \varsubsetneqq \ngtr</math>
|-
|<code>\subsetneq</code>
|<math>\subsetneq</math>
|-
|<code> \ngeqslant \ngeqq \gneq \gneqq \gvertneqq \gnsim \gnapprox \nsucc \nsucceq \succneqq</code>
|<math> \ngeqslant \ngeqq \gneq \gneqq \gvertneqq \gnsim \gnapprox \nsucc \nsucceq \succneqq</math>
|-
|<code> \succnsim \succnapprox \ncong \nshortparallel \nparallel \nvDash \nVDash \ntriangleright \ntrianglerighteq \nsupseteq</code>
|<math> \succnsim \succnapprox \ncong \nshortparallel \nparallel \nvDash \nVDash \ntriangleright \ntrianglerighteq \nsupseteq</math>
|-
|<code> \nsupseteqq \varsupsetneq \supsetneqq \varsupsetneqq</code>
|<math> \nsupseteqq \varsupsetneq \supsetneqq \varsupsetneqq</math>
|-
|<code>\jmath \surd \ast \uplus \diamond \bigtriangleup \bigtriangledown \ominus</code>
|<math>\jmath \surd \ast \uplus \diamond \bigtriangleup \bigtriangledown \ominus\,\!</math>
|-
|<code>\oslash \odot \bigcirc \amalg \prec \succ \preceq \succeq</code>
|<math>\oslash \odot \bigcirc \amalg \prec \succ \preceq \succeq\,\!</math>
|-
|<code>\dashv \asymp \doteq \parallel</code>
|<math>\dashv \asymp \doteq \parallel\,\!</math>
|-
|<code>\ulcorner \urcorner \llcorner \lrcorner</code>
|<math>\ulcorner \urcorner \llcorner \lrcorner</math>
|-
|<code>\Coppa\coppa\varcoppa\Digamma\Koppa\koppa\Sampi\sampi\Stigma\stigma\varstigma</code>
|<math>\Coppa\coppa\varcoppa\Digamma\Koppa\koppa\Sampi\sampi\Stigma\stigma\varstigma</math>
|}

==上標、下標、積分等==
{| class="wikitable" 
|-
!功能
!語法
!效果
|-
|上標||<code>a^2</code>||<math> a^2</math>
|-
|下標||<code>a_2</code>||<math> a_2</math>
|-
|rowspan="2"|多文||<code>a^{2+2}</code>||<math> a^{2+2}</math>
|-
|<code>a_{i,j}</code>||<math> a_{i,j}</math>
|-
|上下兼用||<code>x_2^3</code>||<math> x_2^3</math>
|-
|前置上下標||<code>{}_1^2\!X_3^4</code>||<math> {}_1^2\!X_3^4</math>
|-
|[[導數]]<br/>（'''HTML'''）||<code>x'</code>||<math> x'</math>
|-
|導數<br/>（'''PNG'''）||<code>x^\prime</code>||<math> x^\prime</math>
|-
|導數<br/>（'''錯誤'''）||<code>x\prime</code>||<math> x\prime</math>
|-
|rowspan="2"|導數點
|<code>\dot{x}</code>
|<math> \dot{x}</math>
|-
|<code>\ddot{y}</code>
|<math> \ddot{y}</math>
|-
|rowspan="4"|[[向量]]
|<code>\vec{c}</code>
|<math> \vec{c}</math>
|-
|<code>\overleftarrow{a b}</code>
|<math> \overleftarrow{a b}</math>
|-
|<code>\overrightarrow{c d}</code>
|<math> \overrightarrow{c d}</math>
|-
|<code>\widehat{e f g}</code>
|<math> \widehat{e f g}</math>
|-
|上弧<br />
{{按|理當用 \overarc，arcs 之集未具，無以爲也}}
|<code>\overset{\frown} {AB}</code>
|<math> \overset{\frown} {AB}</math>
|-
|上劃線
|<code>\overline{h i j}</code>
|<math> \overline{h i j}</math>
|-
|下劃線
|<code>\underline{k l m}</code>
|<math> \underline{k l m}</math>
|-
|rowspan="2"|上括號
|<code>\overbrace{1+2+\cdots+100}</code>
|<math> \overbrace{1+2+\cdots+100}</math>
|-
|<code>\begin{matrix} 5050 \\ \overbrace{ 1+2+\cdots+100 } \end{matrix}</code>
|<math> \begin{matrix} 5050 \\ \overbrace{ 1+2+\cdots+100 } \end{matrix}</math>
|-
|rowspan="2"|下括號
|<code>\underbrace{a+b+\cdots+z}</code>
|<math> \underbrace{a+b+\cdots+z}</math>
|-
|<code>\begin{matrix} \underbrace{ a+b+\cdots+z } \\ 26 \end{matrix}</code>
|<math> \begin{matrix} \underbrace{ a+b+\cdots+z } \\ 26 \end{matrix}</math>
|-
|rowspan="2"|求和
|<code>\sum_{k=1}^N k^2</code>||<math> \sum_{k=1}^N k^2</math>
|-
|<code>\begin{matrix} \sum_{k=1}^N k^2 \end{matrix}</code>||<math> \begin{matrix} \sum_{k=1}^N k^2 \end{matrix}</math>
|-
|rowspan="2"|求積
|<code>\prod_{i=1}^N x_i</code>||<math> \prod_{i=1}^N x_i</math>
|-
|<code>\begin{matrix} \prod_{i=1}^N x_i \end{matrix}</code>||<math> \begin{matrix} \prod_{i=1}^N x_i \end{matrix}</math>
|-
|rowspan="2"|上積||<code>\coprod_{i=1}^N x_i</code>||<math> \coprod_{i=1}^N x_i</math>
|-
|<code>\begin{matrix} \coprod_{i=1}^N x_i \end{matrix}</code>||<math> \begin{matrix} \coprod_{i=1}^N x_i \end{matrix}</math>
|-
|rowspan="2"|[[極限]]||<code>\lim_{n \to \infty}x_n</code>||<math> \lim_{n \to \infty}x_n</math>
|-
|<code>\begin{matrix} \lim_{n \to \infty}x_n \end{matrix}</code>||<math> \begin{matrix} \lim_{n \to \infty}x_n \end{matrix}</math>
|--
|rowspan="2"|[[積分]]||<code>\int_{-N}^{N} e^x\, \mathrm{d}x</code>||<math> \int_{-N}^{N} e^x\, \mathrm{d}x</math>
|--
|<code>\begin{matrix} \int_{-N}^{N} e^x\, \mathrm{d}x \end{matrix}</code>||<math> \begin{matrix} \int_{-N}^{N} e^x\, \mathrm{d}x \end{matrix}</math>
|--
|[[雙重積分]]||<code>\iint_{D}^{W} \, \mathrm{d}x\,\mathrm{d}y</code>||<math> \iint_{D}^{W} \, \mathrm{d}x\,\mathrm{d}y</math>
|--
|三重積分||<code>\iiint_{E}^{V} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z</code>||<math> \iiint_{E}^{V} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z</math>
|-
|四重積分||<code>\iiiint_{F}^{U} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z\,\mathrm{d}t</code>||<math> \iiiint_{F}^{U} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z\,\mathrm{d}t</math>
|-
|環[[路徑積分|曲綫]]、[[曲面積分]]||\oint_{C} x^3\, \mathrm{d}x + 4y^2\, \mathrm{d}y
|<math> \oint_{C} x^3\, \mathrm{d}x + 4y^2\, \mathrm{d}y</math>
|-
|[[交集]]||<code>\bigcap_1^{n} p</code>||<math> \bigcap_1^{n} p</math>
|-
|[[並集]]||<code>\bigcup_1^{k} p</code>||<math> \bigcup_1^{k} p</math>
|}

==[[分數]]、[[矩陣]]並多行列式==
{| class="wikitable"
|-----
! 功
! 法
! 效
|-----
| 分數 || <code>\frac{2}{4}=0.5</code> || <math>\frac{2}{4}=0.5</math>
|-----
| 小型分數 || <code>\tfrac{2}{4} = 0.5</code>
| <math>\tfrac{2}{4} = 0.5</math>
|-----
| 大型分數（嵌套）
| <code>\cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a</code>
| <math>\cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a</math>
|-----
| 大型分數（不嵌套）
| <code>\dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a </code>
| <math>\dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a</math>
|-----
|[[二項式]]系數
|<code>\dbinom{n}{r}=\binom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}</code>
|<math>\dbinom{n}{r}=\binom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}</math>
|-----
|小型[[二項式]]系數
|<code>\tbinom{n}{r}=\tbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}</code>
|<math>\tbinom{n}{r}=\tbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}</math>
|-----
|大型[[二項式]]系數
|<code>\binom{n}{r}=\dbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}</code>
|<math>\binom{n}{r}=\dbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}</math>
|-----
| rowspan="7" | 矩陣 || <pre>\begin{matrix}
x & y \\
z & v
\end{matrix}</pre>
| <math>\begin{matrix} x & y \\ z & v
\end{matrix}</math>
|-----
| <pre>\begin{vmatrix}
x & y \\
z & v
\end{vmatrix}</pre>
| <math>\begin{vmatrix} x & y \\ z & v
\end{vmatrix}</math>
|-----
| <pre>\begin{Vmatrix}
x & y \\
z & v
\end{Vmatrix}</pre>
| <math>\begin{Vmatrix} x & y \\ z & v
\end{Vmatrix}</math>
|-----
| <pre>\begin{bmatrix}
0      & \cdots & 0      \\
\vdots & \ddots & \vdots \\
0      & \cdots & 0
\end{bmatrix}</pre>
| <math>\begin{bmatrix} 0 & \cdots & 0 \\ \vdots
& \ddots & \vdots \\ 0 & \cdots &
0\end{bmatrix} </math>
|-----
| <pre>\begin{Bmatrix}
x & y \\
z & v
\end{Bmatrix}</pre>
| <math>\begin{Bmatrix} x & y \\ z & v
\end{Bmatrix}</math>
|-----
| <pre>\begin{pmatrix}
x & y \\
z & v
\end{pmatrix}</pre>
| <math>\begin{pmatrix} x & y \\ z & v
\end{pmatrix}</math>
|-----
| <pre>
\bigl( \begin{smallmatrix}
a&b\\ c&d
\end{smallmatrix} \bigr)
</pre>
| <math>
\bigl( \begin{smallmatrix}
a&b\\ c&d
\end{smallmatrix} \bigr)
</math>
|-----
| 條件定義 || <pre>
f(n) =
\begin{cases} 
n/2,  & \mbox{if }n\mbox{ is even} \\
3n+1, & \mbox{if }n\mbox{ is odd}
\end{cases}</pre>
| <math>f(n) =
\begin{cases}
n/2,  & \mbox{if }n\mbox{ is even} \\
3n+1, & \mbox{if }n\mbox{ is odd} 
\end{cases} </math>
|-----
| rowspan="3" | 多行等式、同餘式 || <pre>
\begin{align}
f(x) & = (m+n)^2 \\
& = m^2+2mn+n^2 \\
\end{align}
</pre>
| <math>
\begin{align}
f(x) & = (m+n)^2 \\
& = m^2+2mn+n^2 \\
\end{align}
</math>
|-
|<pre>begin{align}
3^{6n+3}+4^{6n+3} 
& \equiv (3^3)^{2n+1}+(4^3)^{2n+1}\\  
& \equiv 27^{2n+1}+64^{2n+1}\\  
& \equiv 27^{2n+1}+(-27)^{2n+1}\\ 
& \equiv 27^{2n+1}-27^{2n+1}\\
& \equiv 0 \pmod{91}\\
\end{align}</pre>
|<math>\begin{align}
3^{6n+3}+4^{6n+3} 
& \equiv (3^3)^{2n+1}+(4^3)^{2n+1}\\  
& \equiv 27^{2n+1}+64^{2n+1}\\  
& \equiv 27^{2n+1}+(-27)^{2n+1}\\ 
& \equiv 27^{2n+1}-27^{2n+1}\\
& \equiv 0 \pmod{91}\\
\end{align}</math>
|-----
| <pre>
\begin{alignat}{3}
f(x) & = (m-n)^2 \\
f(x) & = (-m+n)^2 \\
& = m^2-2mn+n^2 \\
\end{alignat}
</pre>
| <math>
\begin{alignat}{3}
f(x) & = (m-n)^2 \\
f(x) & = (-m+n)^2 \\
& = m^2-2mn+n^2 \\
\end{alignat}
</math>
|-----
| 多行等式<small>（左對齊）</small> || <pre>
\begin{array}{lcl}
z        & = & a \\
f(x,y,z) & = & x + y + z 
\end{array}</pre>
| <math>\begin{array}{lcl}
z        & = & a \\
f(x,y,z) & = & x + y + z 
\end{array}</math>
|-----
| 多行等式<small>（右對齊）</small> || <pre>
\begin{array}{lcr}
z        & = & a \\
f(x,y,z) & = & x + y + z    
\end{array}</pre>
| <math>\begin{array}{lcr}
z        & = & a \\
f(x,y,z) & = & x + y + z    
\end{array}</math>
|-----
| 長公式換行 || <pre>
<nowiki>
<math>f(x) \,\!</math>
<math>= \sum_{n=0}^\infty a_n x^n </math>
<math>= a_0+a_1x+a_2x^2+\cdots</math>
</nowiki>
</pre>
|
<math>f(x) \,\!</math><math>= \sum_{n=0}^\infty a_n x^n </math><math>= a_0 +a_1x+a_2x^2+\cdots</math>
|-----
| [[方程組]] || <pre>\begin{cases}
3x + 5y +  z \\
7x - 2y + 4z \\
-6x + 3y + 2z
\end{cases}</pre>
| <math>\begin{cases} 3x + 5y + z \\ 7x - 2y + 4z \\ -6x + 3y + 2z \end{cases}</math>
|-----
| 數組 || <pre>
\begin{array}{|c|c||c|} a & b & S \\
\hline
0&0&1\\
0&1&1\\
1&0&1\\
1&1&0\\
\end{array}
</pre>
| <math>
\begin{array}{|c|c||c|} a & b & S \\
\hline
0&0&1\\
0&1&1\\
1&0&1\\
1&1&0\\
\end{array}
</math>
|}

==字體==
===希蠟文===
斜小寫希蠟文者，可置方程也。
{| class="wikitable" 
!colspan="4"|<center>正體希臘字母</center>
|-
!特徵||語法||效果||註釋/外部鏈接
|-
!rowspan="3"|<center>大寫字母</center>
|<code>\Alpha \Beta \Gamma \Delta \Epsilon \Zeta \Eta \Theta</code>
|<math>\Alpha\Beta\Gamma\Delta\Epsilon\Zeta\Eta\Theta\!</math>
!<center>[[Α]] [[Β]] [[Γ]] [[Δ]] [[Ε]] [[Ζ]] [[Η]] [[Θ]]</center>
|-
|<code>\Iota \Kappa \Lambda \Mu \Nu \Xi \Omicron \Pi</code>
|<math>\Iota\Kappa\Lambda\Mu\Nu\Xi\Omicron\Pi\!</math>
!<center>[[Ι]] [[Κ]] [[Λ]] [[Μ]] [[Ν]] [[Ξ]] [[Ο]] [[Π]]</center>
|-
|<code>\Rho \Sigma \Tau \Upsilon \Phi \Chi \Psi \Omega</code>
|<math>\Rho\Sigma\Tau\Upsilon\Phi\Chi\Psi\Omega\!</math>
!<center>[[Ρ]] [[Σ]] [[Τ]] [[Υ]] [[Φ]] [[Χ]] [[Ψ]] [[Ω]]</center>
|-
!rowspan="3"|<center>小寫字母</center>
|<code>\alpha \beta \gamma \delta \epsilon \zeta \eta \theta</code>
|<math>\alpha\beta\gamma\delta\epsilon\zeta\eta\theta\!</math>
|
|-
|<code>\iota \kappa \lambda \mu \nu \xi \omicron \pi</code>
|<math>\iota\kappa\lambda\mu\nu\xi\omicron\pi\!</math>
|
|-
|<code>\rho \sigma \tau \upsilon \phi \chi \psi \omega</code>
|<math>\rho\sigma\tau\upsilon\phi\chi\psi\omega\!</math>
|
|-
!rowspan="7"|<center>異體字母</center>
|<code>\Epsilon\epsilon\varepsilon</code>
|<math>\Epsilon\epsilon\varepsilon</math>
|
|-
|<code>\Theta\theta\vartheta</code>
|<math>\Theta\theta\vartheta</math>
|
|-
|<code>\Kappa\kappa\varkappa</code>
|<math>\Kappa\kappa\varkappa</math>
|
|-
|<code>\Pi\pi\varpi</code>
|<math>\Pi\pi\varpi</math>
|
|-
|<code>\Rho\rho\varrho</code>
|<math>\Rho\rho\varrho</math>
|
|-
|<code>\Sigma\sigma\varsigma</code>
|<math>\Sigma\sigma\varsigma</math>
|
|-
|<code>\Phi\phi\varphi</code>
|<math>\Phi\phi\varphi\,</math>
|
|-
!<center>已停用字母</center>
|<code>\digamma</code>
|<math>\digamma</math>
!<center>[[Ϝ]]<ref name="waw">念作''Waw''或''Digamma''</ref></center>
|}
{| class="wikitable" 
!colspan="3"|<center>粗體希臘字母</center>
|-
!特徵||語法||效果
|-
!rowspan="3"|<center>大寫字母</center>
|<code>\boldsymbol{\Alpha \Beta \Gamma \Delta \Epsilon \Zeta \Eta \Theta}</code>
|<math>\boldsymbol{\Alpha\Beta\Gamma\Delta\Epsilon\Zeta\Eta\Theta}</math>
|-
|<code>\boldsymbol{\Iota \Kappa \Lambda \Mu \Nu \Xi \Omicron \Pi}</code>
|<math>\boldsymbol{\Iota\Kappa\Lambda\Mu\Nu\Xi\Omicron\Pi}</math>
|-
|<code>\boldsymbol{\Rho \Sigma \Tau \Upsilon \Phi \Chi \Psi \Omega}</code>
|<math>\boldsymbol{\Rho\Sigma\Tau\Upsilon\Phi\Chi\Psi\Omega}</math>
|-
!rowspan="3"|<center>小寫字母</center>
|<code>\boldsymbol{\alpha \beta \gamma \delta \epsilon \zeta \eta \theta}</code>
|<math>\boldsymbol{\alpha\beta\gamma\delta\epsilon\zeta\eta\theta}</math>
|-
|<code>\boldsymbol{\iota \kappa \lambda \mu \nu \xi \omicron \pi}</code>
|<math>\boldsymbol{\iota\kappa\lambda\mu\nu\xi\omicron\pi}</math>
|-
|<code>\boldsymbol{\rho \sigma \tau \upsilon \phi \chi \psi \omega}</code>
|<math>\boldsymbol{\rho\sigma\tau\upsilon\phi\chi\psi\omega}</math>
|-
!rowspan="7"|<center>異體字母</center>
|<code>\boldsymbol{\Epsilon\epsilon\varepsilon}</code>
|<math>\boldsymbol{\Epsilon\epsilon\varepsilon}</math>
|-
|<code>\boldsymbol{\Theta\theta\vartheta}</code>
|<math>\boldsymbol{\Theta\theta\vartheta}</math>
|-
|<code>\boldsymbol{\Kappa\kappa\varkappa}</code>
|<math>\boldsymbol{\Kappa\kappa\varkappa}</math>
|-
|<code>\boldsymbol{\Pi\pi\varpi}</code>
|<math>\boldsymbol{\Pi\pi\varpi}</math>
|-
|<code>\boldsymbol{\Rho\rho\varrho}</code>
|<math>\boldsymbol{\Rho\rho\varrho}</math>
|-
|<code>\boldsymbol{\Sigma\sigma\varsigma}</code>
|<math>\boldsymbol{\Sigma\sigma\varsigma}</math>
|-
|<code>\boldsymbol{\Phi\phi\varphi}</code>
|<math>\boldsymbol{\Phi\phi\varphi}</math>
|-
!<center>已停用字母</center>
|<code>\boldsymbol{\digamma}</code>
|<math>\boldsymbol{\digamma}</math>
|}

===黑板粗體===
;法:<code>'''\mathbb{'''''ABCDEFGHIJKLMNOPQRSTUVWXYZ'''''}'''</code>
;效:<math>\mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ}</math>
黑板粗體（[[:en:Blackboard bold|Blackboard bold]]）表示數學、物理學中之向量並集合之符。


===正粗體===
;法:<code>'''\mathbf{'''''012…abc…ABC…'''''}'''</code>
;效:<math>\mathbf{0 \ 1 \ 2 \ 3 \ 4 \ 5 \ 6 \ 7 \ 8 \ 9}</math>
:<math>\mathbf{a \ b \ c \ d \ e \ f \ g \ h \ i \ j \ k \ l \ m \ n \ o \ p \ q \ r \ s \ t \ u \ v \ w \ x \ y \ z}</math>
:<math>\mathbf{A \ B \ C \ D \ E \ F \ G \ H \ I \ J \ K \ L \ M \ N \ O \ P \ Q \ R \ S \ T \ U \ V \ W \ X \ Y \ Z}</math>
;備註:花括號{}，只用拉丁字母並數字，非用希臘字母\alpha等。

===斜粗體===
;法:<code>'''\boldsymbol{'''''012…abc…ABC…\alpha \beta \gamma…'''''}'''</code>
;效:<math>\boldsymbol{0 \ 1 \ 2 \ 3 \ 4 \ 5 \ 6 \ 7 \ 8 \ 9}</math>
:<math>\boldsymbol{a \ b \ c \ d \ e \ f \ g \ h \ i \ j \ k \ l \ m \ n \ o \ p \ q \ r \ s \ t \ u \ v \ w \ x \ y \ z}</math>
:<math>\boldsymbol{A \ B \ C \ D \ E \ F \ G \ H \ I \ J \ K \ L \ M \ N \ O \ P \ Q \ R \ S \ T \ U \ V \ W \ X \ Y \ Z}</math>
:<math>\boldsymbol{\alpha \  \beta \  \gamma \  \delta \  \epsilon \  \zeta \  \eta \  \theta \  \iota \  \kappa \  \lambda \  \mu \  \nu \  \xi \  o \  \pi \  \rho \  \sigma \  \tau \  \upsilon \  \phi \  \chi \  \psi \  \omega}</math>
;註:<code>\boldsymbol{}</code>可粗合符。

=== [[斜體]][[數字]] ===
;法:<code>'''\mathit{'''''0123456789'''''}'''</code>
;效:<math>\mathit{0123456789}\!</math>

=== [[羅馬體]] ===
;法:<code>'''\mathrm{'''''012…abc…ABC…'''''}'''或'''\mbox{}'''或'''\operatorname{}'''</code>
;效:<math>\mathrm{0123456789}\ </math>
:<math>\mathrm{ABCDEFGHIJKLMNOPQRSTUVWXYZ}\ </math>
:<math>\mathrm{abcdefghijklmnopqrstuvwxyz}\ </math>
;註:羅馬體可用[[數字]]並[[拉丁字母]]。

=== [[哥特體]] ===
;法:<code>'''\mathfrak{'''''012…abc…ABC…'''''}'''</code>
;效:<math> \mathfrak{0 \ 1 \ 2 \ 3 \ 4 \ 5 \ 6 \ 7 \ 8 \ 9}</math>
:<math> \mathfrak{a \ b \ c \ d \ e \ f \ g \ h \ i \ j \ k \ l \ m \ n \ o \ p \ q \ r \ s \ t \ u \ v \ w \ x \ y \ z}</math>
:<math> \mathfrak{A \ B \ C \ D \ E \ F \ G \ H \ I \ J \ K \ L \ M \ N \ O \ P \ Q \ R \ S \ T \ U \ V \ W \ X \ Y \ Z}</math>
;註:哥特體可用數字並拉丁字母。

=== [[手書體]] ===
;法:<code>'''\mathcal{'''''ABC…'''''}'''</code>
;效:<math>\mathcal{ABCDEFGHIJKLMNOPSTUVWXYZ}</math>
;註:手寫體效大寫拉丁字母。

=== [[希伯來字母]] ===
;法:<code>\aleph\beth\gimel\daleth</code>
;效:<math>\aleph\beth\gimel\daleth</math>

== [[括號]] ==
{| class="wikitable"
|-----
! 功能
! 語法
! 顯示
|-----
| 短括號 || ( \frac{1}{2} ) || <math>( \frac{1}{2} )</math>
|-----
| 長括號 || \left( \frac{1}{2} \right)
| <math>\left ( \frac{1}{2} \right )</math>
|}
可用 <code>\left</code> 和 <code>\right</code> ，示異號： 
{| class="wikitable"
|-----
! 功能
! 語法
! 顯示
|-----
| 圓括號，小括號 || \left'''(''' \frac{a}{b} \right''')''' || <math>\left( \frac{a}{b} \right)</math>
|-----
| 方括號，中括號 || \left'''[''' \frac{a}{b} \right''']''' || <math>\left[ \frac{a}{b} \right]</math>
|-----
| 花括號，大括號 || \left'''\{''' \frac{a}{b} \right'''\}''' || <math>\left\{ \frac{a}{b} \right\}</math>
|-----
| 角括號 || \left '''\langle''' \frac{a}{b} \right '''\rangle'''
| <math>\left\langle \frac{a}{b} \right \rangle</math>
|-----
| 單豎線，絕對值 || \left'''&#x7c;''' \frac{a}{b} \right'''&#x7c;''' || <math>\left| \frac{a}{b} \right|</math>
|-
| 雙豎線，範 || \left '''\&#x7c;''' \frac{a}{b} \right '''\&#x7c;''' || <math>\left \| \frac{a}{b} \right \|</math>
|-----
| 取整函數 || \left '''\lfloor''' \frac{a}{b} \right '''\rfloor''' || <math>\left \lfloor \frac{a}{b} \right \rfloor</math>
|-----
| 取頂函數
|| \left '''\lceil''' \frac{c}{d} \right '''\rceil'''|| <math>\left \lceil \frac{c}{d} \right \rceil</math>
|-
| 斜線與反斜線 ||\left '''/''' \frac{a}{b} \right '''\backslash''' ||<math>\left / \frac{a}{b} \right \backslash </math>
|-
| rowspan="3" | 上下箭頭 
| \left '''\uparrow''' \frac{a}{b} \right '''\downarrow''' ||<math>\left \uparrow \frac{a}{b} \right \downarrow </math>
|-
| \left '''\Uparrow''' \frac{a}{b} \right '''\Downarrow''' ||<math>\left \Uparrow \frac{a}{b} \right \Downarrow </math>
|-
| \left '''\updownarrow''' \frac{a}{b} \right '''\Updownarrow'''||<math>\left \updownarrow \frac{a}{b} \right \Updownarrow</math>
|-
| 混合括號 || \left [ 0,1 \right )<br />\left \langle \psi \right &#x7c; ||<math>\left [ 0,1 \right )</math><br /><math>\left \langle \psi \right |</math>
|-
| 單左括號 || \left \{ \frac{a}{b} '''\right .''' || <math>\left \{ \frac{a}{b} \right .</math>
|-
| 單右括號 || '''\left .''' \frac{a}{b} \right \} || <math>\left . \frac{a}{b} \right \}</math>
|}
備註：
*可用 <code>\big, \Big, \bigg, \Bigg</code> 制大小
:<code>'''\Bigg''' ( '''\bigg''' [ '''\Big''' \{ '''\big''' \langle \left | \| \frac{a}{b} \| \right | '''\big''' \rangle '''\Big''' \} '''\bigg''' ] '''\Bigg''' )</code>
　示︰<br>
:<math>\Bigg ( \bigg [ \Big \{ \big \langle \left | \| x \| \right | \big \rangle \Big \} \bigg ] \Bigg )</math>

== [[空格]] == 
{| class="wikitable"
|-----
!功||法||示||度
|-----
|2個quad空格
|<code>\alpha\qquad\beta</code>
|<math>\alpha\qquad\beta</math>
|<math>2m\ </math>
|-----
|quad空格 
|<code>\alpha\quad\beta</code>
|<math>\alpha\quad\beta</math>
|<math>m\ </math>
|-----
|大空格 
|<code>\alpha\ \beta</code>
|<math>\alpha\ \beta</math>
|<math>\frac{m}{3}</math>
|-----
|中等空格 
|<code>\alpha\;\beta</code>
|<math>\alpha\;\beta</math>
|<math>\frac{2m}{7}</math>
|-----
|小空格 
|<code>\alpha\,\beta</code> 
|<math>\alpha\,\beta</math>
|<math>\frac{m}{6}</math>
|-----
|沒有空格 
|<code>\alpha\beta</code> 
|<math>\alpha\beta\ </math>
|<math>0\ </math>
|-----
|緊貼 
|<code>\alpha\!\beta</code> 
|<math>\alpha\!\beta</math>
|<math>-\frac{m}{6}</math>
|}

== [[色]] ==
;法:
*字色︰<code>-{}-{\color{色調}表達式}</code><br>
*背色︰<code>-{}-{\pagecolor{色調}表達式}</code>
;表:
{|class="wikitable"
|+ Colors supported
|-
|<math>\color{Apricot}\text{Apricot}</math>
|<math>\color{Aquamarine}\text{Aquamarine}</math>
|<math>\color{Bittersweet}\text{Bittersweet}</math>
|<math>\color{Black}\text{Black}</math>
|-
|<math>\color{Blue}\text{Blue}</math>
|<math>\color{BlueGreen}\text{BlueGreen}</math>
|<math>\color{BlueViolet}\text{BlueViolet}</math>
|<math>\color{BrickRed}\text{BrickRed}</math>
|-
|<math>\color{Brown}\text{Brown}</math>
|<math>\color{BurntOrange}\text{BurntOrange}</math>
|<math>\color{CadetBlue}\text{CadetBlue}</math>
|<math>\color{CarnationPink}\text{CarnationPink}</math>
|-
|<math>\color{Cerulean}\text{Cerulean}</math>
|<math>\color{CornflowerBlue}\text{CornflowerBlue}</math>
|<math>\color{Cyan}\text{Cyan}</math>
|<math>\color{Dandelion}\text{Dandelion}</math>
|-
|<math>\color{DarkOrchid}\text{DarkOrchid}</math>
|<math>\color{Emerald}\text{Emerald}</math>
|<math>\color{ForestGreen}\text{ForestGreen}</math>
|<math>\color{Fuchsia}\text{Fuchsia}</math>
|-
|<math>\color{Goldenrod}\text{Goldenrod}</math>
|<math>\color{Gray}\text{Gray}</math>
|<math>\color{Green}\text{Green}</math>
|style="background:gray"|<math style="background:gray">\color{GreenYellow}\text{GreenYellow}</math>
|-
|<math>\color{JungleGreen}\text{JungleGreen}</math>
|<math>\color{Lavender}\text{Lavender}</math>
|<math>\color{LimeGreen}\text{LimeGreen}</math>
|<math>\color{Magenta}\text{Magenta}</math>
|-
|<math>\color{Mahogany}\text{Mahogany}</math>
|<math>\color{Maroon}\text{Maroon}</math>
|<math>\color{Melon}\text{Melon}</math>
|<math>\color{MidnightBlue}\text{MidnightBlue}</math>
|-
|<math>\color{Mulberry}\text{Mulberry}</math>
|<math>\color{NavyBlue}\text{NavyBlue}</math>
|<math>\color{OliveGreen}\text{OliveGreen}</math>
|<math>\color{Orange}\text{Orange}</math>
|-
|<math>\color{OrangeRed}\text{OrangeRed}</math>
|<math>\color{Orchid}\text{Orchid}</math>
|<math>\color{Peach}\text{Peach}</math>
|<math>\color{Periwinkle}\text{Periwinkle}</math>
|-
|<math>\color{PineGreen}\text{PineGreen}</math>
|<math>\color{Plum}\text{Plum}</math>
|<math>\color{ProcessBlue}\text{ProcessBlue}</math>
|<math>\color{Purple}\text{Purple}</math>
|-
|<math>\color{RawSienna}\text{RawSienna}</math>
|<math>\color{Red}\text{Red}</math>
|<math>\color{RedOrange}\text{RedOrange}</math>
|<math>\color{RedViolet}\text{RedViolet}</math>
|-
|<math>\color{Rhodamine}\text{Rhodamine}</math>
|<math>\color{RoyalBlue}\text{RoyalBlue}</math>
|<math>\color{RoyalPurple}\text{RoyalPurple}</math>
|<math>\color{RubineRed}\text{RubineRed}</math>
|-
|<math>\color{Salmon}\text{Salmon}</math>
|<math>\color{SeaGreen}\text{SeaGreen}</math>
|<math>\color{Sepia}\text{Sepia}</math>
|<math>\color{SkyBlue}\text{SkyBlue}</math>
|-
|<math style="background:gray">\color{SpringGreen}\text{SpringGreen}</math>
|<math>\color{Tan}\text{Tan}</math>
|<math>\color{TealBlue}\text{TealBlue}</math>
|<math>\color{Thistle}\text{Thistle}</math>
|-
|<math>\color{Turquoise}\text{Turquoise}</math>
|<math>\color{Violet}\text{Violet}</math>
|<math>\color{VioletRed}\text{VioletRed}</math>
| style="background:black"|<math style="background:black">\color{White}\text{White}</math>
|-
|<math>\color{WildStrawberry}\text{WildStrawberry}</math>
|<math style="background:gray">\color{Yellow}\text{Yellow}</math>
|<math>\color{YellowGreen}\text{YellowGreen}</math>
|<math>\color{YellowOrange}\text{YellowOrange}</math>
|}
<sup>＊</sup>註︰首字母必大寫，如<code>\color{OliveGreen}</code>。

;例:
*<code>{\color{Blue}x^2}+{\color{Brown}2x} - {\color{OliveGreen}1}</code>
:<math> {\color{Blue}x^2}+{\color{Brown}2x} - {\color{OliveGreen}1}</math>
*<code>x_{\color{Maroon}1,2}=\frac{-b\pm\sqrt{{\color{Maroon}b^2-4ac}}}{2a}</code>
:<math style="background:#F8FCFF"> x_{\color{Maroon}1,2}=\frac{-b\pm\sqrt{{\color{Maroon}b^2-4ac}}}{2a}</math>
<!--
好像這個Bug沒有了
;繁間轉換:
繁間轉換的BUG，可能會在結尾會多出壹個「<nowiki>}-</nowiki>」符號。
情況如下：
*<code>{\color{Brown}1}-{\color{Green}1}</code>
:<math>{\color{Brown}1}-{\color{Green}1}</math>
如出現這情況，可以在減號與括號之間留空白，解抉這問題。
*<code>{\color{Brown}1} - {\color{Green}1}</code>
:<math>{\color{Brown}1} - {\color{Green}1}</math>
-->

==用PNG==

:輸 <code>2x=1 \,</code>：
:<math>2x=1 \,</math>
::'''↑''' 以PNG圖出。

君亦可用 <code>\,\!</code>，亦能強用PNG圖。

:<span style="font-size:12px;">閱讀更多：[[:en:Help:Displaying_a_formula#Forced_PNG_rendering|Help:Displaying a formula#Forced PNG rendering]]</span>

[[分類:幫助文檔]]