$\mathrm{\TeX}$（MathJax）tips

数式モード

単純、改行不可　\[ \]
文章中の数式　$ $
　$$ $$
各行で & 2個で挟んだ箇所を縦に揃える　\begin{eqnarray}\end{eqnarray}
　\begin{eqnarray*}\end{eqnarray*}
　\begin{gather}\end{gather}
　\begin{gather*}\end{gather*}
　\begin{align}\end{align}
　\begin{align*}\end{align*}
　\begin{flalign}\end{flalign}
　\begin{flalign*}\end{flalign*}
引数の個数*2-0(か1)個の & で揃える　\begin{alignat}{1}\end{alignat}
　\begin{alignat*}{1}\end{alignat*}
　\begin{multline}\end{multline}
　\begin{multline*}\end{multline*}
　\begin{split}\end{split}

行列等

改行時に \hline、\hdashline 可。
$\begin{matrix}a&b\\[1mm]c&d\end{matrix}$\begin{matrix}a&b\\[1mm]c&d\end{matrix}
$\begin{smallmatrix}a&b\\[1mm]c&d\end{smallmatrix}$\begin{smallmatrix}a&b\\[1mm]c&d\end{smallmatrix}
$\begin{pmatrix}a&b\\[1mm]c&d\end{pmatrix}$\begin{pmatrix}a&b\\[1mm]c&d\end{pmatrix}
$\begin{bmatrix}a&b\\[1mm]c&d\end{bmatrix}$\begin{bmatrix}a&b\\[1mm]c&d\end{bmatrix}
$\begin{Bmatrix}a&b\\[1mm]c&d\end{Bmatrix}$\begin{Bmatrix}a&b\\[1mm]c&d\end{Bmatrix}
$\begin{vmatrix}a&b\\[1mm]c&d\end{vmatrix}$\begin{vmatrix}a&b\\[1mm]c&d\end{vmatrix}
$\begin{Vmatrix}a&b\\[1mm]c&d\end{Vmatrix}$\begin{Vmatrix}a&b\\[1mm]c&d\end{Vmatrix}
$\begin{cases}1&x=a\\[1mm]0&x\neq a\end{cases}$\begin{cases}1&x=a\\[1mm]0&x\neq a\end{cases}
$\begin{array}{l|c:r}a&b&c\\[1mm]\hline+&-&+\\[2mm]\hdashline a&b&c\end{array}$\begin{array}{l|c:r}a&b&c\\[1mm]\hline+&-&+\\[2mm]\hdashline a&b&c\end{array}

構造のある式

$\dfrac{a}{b}$　\frac{a}{b}
$\displaystyle{a\over b}$　{a\over b}
$\displaystyle{a\choose b}$　{a\choose b}
$\sqrt{a}$　\sqrt{a}
$\sqrt[b]{a}$　\sqrt[b]{a}
$\displaystyle\binom{a}{b}$　\binom{a}{b}
$\displaystyle{a\brace b}${a\brace b}
$\displaystyle{a\brack b}${a\brack b}
$\displaystyle\int_a^b$ 型
$\displaystyle\int$　\int $\displaystyle\iint$　\iint $\displaystyle\iiint$　\iiint
$\displaystyle\iiiint$　\iiiint $\displaystyle\idotsint$　\idotsint $\displaystyle\oint$　\oint
$\displaystyle\sum_a^b$ 型
$\displaystyle\int\limits_{a}^{b}$　\int\limits_{a}^{b} $\displaystyle\intop$　\intop $\displaystyle\sum$　\sum
$\overbrace{a}^{n}$\overbrace{a}^{n} $\underbrace{a}_{n}$\underbrace{a}_{n}
$\displaystyle\prod$　\prod $\displaystyle\coprod$　\coprod
$\displaystyle\bigcup$　\bigcup $\displaystyle\bigcap$　\bigcap $\displaystyle\biguplus$　\biguplus
$\displaystyle\bigsqcup$　\bigsqcup $\displaystyle\bigvee$　\bigvee
$\displaystyle\bigoplus$　\bigoplus $\displaystyle\bigodot$　\bigodot $\displaystyle\bigotimes$　\bigotimes
$\displaystyle\max$　\max $\displaystyle\min$　\min
$\displaystyle\lim$\lim
$\displaystyle\varprojlim$\varprojlim $\displaystyle\varinjlim$\varinjlim
$\displaystyle\varliminf$\varliminf $\displaystyle\varlimsup$\varlimsup
$\displaystyle\liminf$\liminf $\displaystyle\limsup$\limsup
$\displaystyle\projlim$\projlim $\displaystyle\injlim$\injlim
$\displaystyle\sideset{_a^b}{_c^d}\sum_e^f$ 型
$\displaystyle\sideset{_a^b}{_c^d}\sum_e^f$　\sideset{_a^b}{_c^d}\sum_e^f

空白

$\mathrm{M}\ \mathrm{M}$　
$\mathrm{M}\hspace{1em}\mathrm{M}$　\hspace{1em}
$\mathrm{M}\hspace{6mm}\mathrm{M}$　\hspace{6mm}
$\mathrm{M}\hspace{1cm}\mathrm{M}$　\hspace{1cm}
$\mathrm{M}\hphantom{MMM}\mathrm{M}$　\hphantom{MMM}
$\mathrm{M}\,\mathrm{M}$　\,
$\mathrm{M}\:\mathrm{M}$　\:
$\mathrm{M}\;\mathrm{M}$　\;
$\mathrm{M}\!\mathrm{M}$　\!
$\mathrm{M}\thinspace\mathrm{M}$　\thinspace
$\mathrm{M}\enspace\mathrm{M}$　\enspace
$\mathrm{M}\quad\mathrm{M}$　\quad
$\mathrm{M}\qquad\mathrm{M}$　\qquad

上付き添字（冪）、下付き添字

${A^B}^C$　{A^B}^C
$A^{B^C}$A^{B^C}
$A^B{}^C$A^B{}^C
$A^{BC}$A^{BC}
${A_B}_C$　${A_B}_C$
\[{A_B}_C\]\[{A_B}_C\]
$A_{B_C}$A_{B_C}
$A_B{}_C$A_B{}_C
$A_{BC}$A_{BC}
$A_B{}^C$A_B{}^C
$A^B{}_C$A^B{}_C

${A_B}^CA_B{}^C$ も $C$ の高さが異なる、{A_B}^C、A_B{}^C。
${A^B}_CA^B{}_C$ は $C$ の高さが同じらしい、{A^B}_C、A^B{}_C。
$\displaystyle{\sum}^\prime$（{\sum}^\prime）$\displaystyle\sum{}^\prime$（\sum{}^\prime）

サイズ・高さ調整

${\Huge A}{\LARGE A}{\Large A}{\large A}{\normalsize{A}}{\color{red}A}{\small A}{\scriptsize A}{\tiny A}$　{\Huge A}{\LARGE A}{\Large A}{\large A}{\normalsize{A}}A{\small A}{\scriptsize A}{\tiny A}
$\raise{0.5em}AA\raise{0.5em}{AA}$　\raise{0.5em}AA\raise{0.5em}{AA}
$\lower{0.5em}AA\lower{0.5em}{AA}$　\lower{0.5em}AA\lower{0.5em}{AA}
$\sqrt{\mathstrut X}$　\sqrt{\mathstrut X}
$\sqrt{\vphantom{\dfrac{1}{2}}a}$　\sqrt{\vphantom{\frac{1}{2}}a}

　上付き・下付き添字

$e^{\frac{2\pi i}{n}}$　e^{\frac{2\pi i}{n}}
$e^{\large\raise{0.5em}\frac{2\pi i}{n}}$　e^{\large\raise{0.5em}\frac{2\pi i}{n}}
$e^{\displaystyle\scriptsize\raise{0.5em}\frac{2\pi i}{n}}$　e^{\displaystyle\scriptsize\raise{0.5em}\frac{2\pi i}{n}}

式番号

ページ内でラベルは一意（重複なし）。
tag のみ（ラベルなし）も可。
\[a=a\tag{$1$}\label{1}\]\[a=a\tag{$1$}\label{1}\]
式 $\eqref{1}$ によると式 $\eqref{1}$ によると
式 $\ref{1}$ によると式 $\ref{1}$ によると
\begin{alignat*}{1}A&=A\tag{$2-1$}\label{2-1}\\&=B\tag{$2-2$}\label{2-2}\end{alignat*}\begin{alignat*}{1}A&=A\tag{$2-1$}\label{2-1}\\&=B\tag{$2-2$}\label{2-2}\end{alignat*}
式 $\eqref{2-1}$ によると式 $\eqref{2-1}$ によると
式 $\ref{2-1}$ によると式 $\ref{2-1}$ によると

括弧

すべて \left と \rightでサイズ自動調整可。
右側のみの場合 \left.　左側のみの場合 \right.
\middle も使用可。

サイズ調整

\[ (\big(\Big(\bigg(\Bigg(\large(\Large(\LARGE(\huge(\Huge( \] (\big(\Big(\bigg(\Bigg(\large(\Large(\LARGE(\huge(\Huge(
\[ (\bigl(\Bigl(\biggl(\Biggl( |\bigm|\Bigm|\biggm|\Biggm| )\bigr)\Bigr)\biggr)\Biggr) \] (\bigl(\Bigl(\biggl(\Biggl(
|\bigm|\Bigm|\biggm|\Biggm|
)\bigr)\Bigr)\biggr)\Biggr)

括弧の種類

$(a)$(a)
$\{a\}$\{a\}
$[a]$[a]
$|a|$|a|
$\|a\|$\|a\|
$\langle a\rangle$\langle a\rangle
$\lceil a\rceil$\lceil a\rceil
$\lfloor a\rfloor$\lfloor a\rfloor
$\lgroup a\rgroup$\lgroup a\rgroup
$\lmoustache a\rmoustache$\lmoustache a\rmoustache
$/a\backslash$/a\backslash
$\lvert a\rvert$\lvert a\rvert
$\lVert a\rVert$\lVert a\rVert
$\lbrace a\rbrace$\lbrace a\rbrace
$\lbrack a\rbrack$\lbrack a\rbrack
$\vert$\vert
$\bracevert$\bracevert
$\arrowvert$\arrowvert
$\Vert$\Vert
$\Arrowvert$\Arrowvert
$\bracevert$\bracevert

演算子

$+$+ $-$- $\pm$\pm $\mp$\mp
$\times$\times $*$*　\ast $/$/ $\div$\div
$\dotplus$\dotplus $\divideontimes$\divideontimes
$\backslash$\backslash　\setminus $\smallsetminus$\smallsetminus
$\diagdown$\diagdown $\diagup$\diagup
$\amalg$\amalg
$\neg$\neg　\lnot
$\surd$\surd
$\vee$\vee　\lor $\wedge$\wedge　\land $\curlyvee$\curlyvee $\curlywedge$\curlywedge
$\cap$\cap $\cup$\cup $\Cap$\Cap　\doublecap $\Cup$\Cup　\doublecup
$\uplus$\uplus
$\sqcap$\sqcap $\sqcup$\sqcup
$\between$\between

関係演算子

$=$= $\equiv$\equiv
$\sim$\sim $\thicksim$\thicksim $\approx$\approx $\thickapprox$\thickapprox
$\simeq$\simeq $\backsimeq$\backsimeq $\eqsim$\eqsim
$\cong$\cong $\approxeq$\approxeq
$\fallingdotseq$\fallingdotseq $\risingdotseq$\risingdotseq
$\gt$\gt $\lt$\lt
$\ge$\ge　\geq $\le$\le　\leq
$\geqq$\geqq $\leqq$\leqq
$\gtrsim$\gtrsim $\lesssim$\lesssim $\gtrapprox$\gtrapprox $\lessapprox$\lessapprox
$\geqslant$\geqslant $\leqslant$\leqslant
$\eqslantgtr$\eqslantgtr $\eqslantless$\eqslantless
$\gg$\gg $\ll$\ll $\ggg$\ggg　\gggtr $\lll$\lll　\llless
$\gtrless$\gtrless $\lessgtr$\lessgtr
$\gtreqless$\gtreqless $\lesseqgtr$\lesseqgtr
$\gtreqqless$\gtreqqless $\lesseqqgtr$\lesseqqgtr
$\supset$\supset $\subset$\subset
$\supseteq$\supseteq $\subseteq$\subseteq
$\supseteqq$\supseteqq $\subseteqq$\subseteqq
$\ni$\ni　\owns $\in$\in
$\Supset$\Supset $\Subset$\Subset
$\succ$\succ $\prec$\prec
$\succeq$\succeq $\preceq$\preceq
$\succsim$\succsim $\precsim$\precsim
$\succapprox$\succapprox $\precapprox$\precapprox
$\curlyeqsucc$\curlyeqsucc $\curlyeqprec$\curlyeqprec
$\succcurlyeq$\succcurlyeq $\preccurlyeq$\preccurlyeq
$\sqsupset$\sqsupset $\sqsubset$\sqsubset
$\sqsupseteq$\sqsupseteq $\sqsubseteq$\sqsubseteq
$\triangleleft$\triangleleft $\triangleright$\triangleright
$\trianglelefteq$\trianglelefteq $\trianglerighteq$\trianglerighteq
$\gtrdot$\gtrdot $\lessdot$\lessdot
$\ltimes$\ltimes $\rtimes$\rtimes
$\triangleq$\triangleq $\circeq$\circeq $\doteq$\doteq $\Doteq$\Doteq　\doteqdot
$\Bumpeq$\Bumpeq $\bumpeq$\bumpeq
$\asymp$\asymp
$\smile$\smile $\smallsmile$\smallsmile $\frown$\frown $\smallfrown$\smallfrown
$\eqcirc$\eqcirc
$\veebar$\veebar $\barwedge$\barwedge $\doublebarwedge$\doublebarwedge
$\propto$\propto $\varpropto$\varpropto
$\perp$\perp　\bot $\top$\top
$\vdash$\vdash $\dashv$\dashv
$\models$\models
$\vDash$\vDash
$\Vdash$\Vdash $\Vvdash$\Vvdash
$\bowtie$\bowtie　\Join
$\unrhd$\unrhd $\unlhd$\unlhd

関係演算子（否定）

$\neq$\neq　\ne
$\nsim$\nsim
$\ncong$\ncong
$\ngtr$\ngtr $\nless$\nless
$\gneq$\gneq　\ngeqslant $\lneq$\lneq　\nleqslant
$\ngeq$\ngeq　\ngeqq $\nleq$\nleq　\nleqq
$\gneqq$\gneqq $\lneqq$\lneqq
$\gvertneqq$\gvertneqq $\lvertneqq$\lvertneqq
$\gnsim$\gnsim $\lnsim$\lnsim
$\gnapprox$\gnapprox $\lnapprox$\lnapprox
$\supsetneq$\supsetneq $\subsetneq$\subsetneq
$\varsupsetneq$\varsupsetneq $\varsubsetneq$\varsubsetneq
$\nsupseteq$\nsupseteq $\nsubseteq$\nsubseteq
$\subsetneqq$\subsetneqq $\supsetneqq$\supsetneqq
$\varsupsetneqq$\varsupsetneqq $\varsubsetneqq$\varsubsetneqq
$\nsubseteqq$\nsubseteqq $\nsupseteqq$\nsupseteqq
$\notin$\notin
$\nsucc$\nsucc $\nprec$\nprec
$\nsucceq$\nsucceq $\npreceq$\npreceq
$\succneqq$\succneqq $\precneqq$\precneqq
$\succnsim$\succnsim $\precnsim$\precnsim
$\succnapprox$\succnapprox $\precnapprox$\precnapprox
$\ntriangleleft$\ntriangleleft $\ntriangleright$\ntriangleright
$\ntrianglelefteq$\ntrianglelefteq $\ntrianglerighteq$\ntrianglerighteq
$\nvdash$\nvdash $\nVdash$\nVdash
$\nvDash$\nvDash $\nVDash$\nVDash

矢印

$\rightarrow$\rightarrow　\to $\leftarrow$\leftarrow　\gets
$\longrightarrow$\longrightarrow $\longleftarrow$\longleftarrow
$\leftrightarrow$\leftrightarrow $\longleftrightarrow$\longleftrightarrow
$\uparrow$\uparrow $\downarrow$\downarrow $\updownarrow$\updownarrow
$\nearrow$\nearrow $\nwarrow$\nwarrow
$\swarrow$\swarrow $\searrow$\searrow
$\nrightarrow$\nrightarrow $\nleftarrow$\nleftarrow $\nleftrightarrow$\nleftrightarrow
$\leftleftarrows$\leftleftarrows $\rightrightarrows$\rightrightarrows
$\upuparrows$\upuparrows $\downdownarrows$\downdownarrows
$\leftrightarrows$\leftrightarrows $\rightleftarrows$\rightleftarrows
$\mapsto$\mapsto $\longmapsto$\longmapsto
$\leadsto$\leadsto
$\multimap$\multimap
$\dashrightarrow$\dashrightarrow
$\rightsquigarrow$\rightsquigarrow $\leftrightsquigarrow$\leftrightsquigarrow
$\twoheadrightarrow$\twoheadrightarrow $\twoheadleftarrow$\twoheadleftarrow
$\rightarrowtail$\rightarrowtail $\leftarrowtail$\leftarrowtail
$\Rrightarrow$\Rrightarrow $\Lleftarrow$\Lleftarrow
$\Rightarrow$\Rightarrow $\Leftarrow$\Leftarrow
$\Leftrightarrow$\Leftrightarrow
$\Longrightarrow$\Longrightarrow
$\implies$\implies
$\Longleftarrow$\Longleftarrow
$\impliedby$\impliedby
$\Longleftrightarrow$\Longleftrightarrow
$\iff$\iff
$\Uparrow$\Uparrow $\Downarrow$\Downarrow $\Updownarrow$\Updownarrow
$\nRightarrow$\nRightarrow $\nLeftarrow$\nLeftarrow $\nLeftrightarrow$\nLeftrightarrow
$\circlearrowright$\circlearrowright $\circlearrowleft$\circlearrowleft
$\curvearrowright$\curvearrowright $\curvearrowleft$\curvearrowleft
$\Rsh$\Rsh $\Lsh$\Lsh
$\hookrightarrow$\hookrightarrow $\hookleftarrow$\hookleftarrow
$\looparrowright$\looparrowright $\looparrowleft$\looparrowleft
$\upharpoonright$\upharpoonright　\restriction $\upharpoonleft$\upharpoonleft
$\rightharpoonup$\rightharpoonup $\leftharpoonup$\leftharpoonup
$\rightharpoondown$\rightharpoondown $\leftharpoondown$\leftharpoondown
$\rightleftharpoons$\rightleftharpoons $\leftrightharpoons$\leftrightharpoons
$\xleftarrow[2]{1}$\xleftarrow[2]{1} $\xrightarrow[2]{1}$\xrightarrow[2]{1}

点

$\cdot$\cdot $\cdotp$\cdotp $\centerdot$\centerdot $\ldotp$\ldotp
$\cdots$\cdots $\dotsb$\dotsb $\dotsi$\dotsi
$\ldots$\ldots $\dotsc$\dotsc $\dots$\dots $\dotso$\dotso
$\colon$\colon $\vdots$\vdots
$\ddots$\ddots
$\cssId{nanamedots}{\vdots}$$\cssId{nanamedots}{\vdots}$<style>#nanamedots{transform:rotate(-45deg)}</style>

関数等

$\exp$\exp
$\log$\log $\lg$\lg $\ln$\ln
$\Re$\Re $\Im$\Im
$\arg$\arg
$\deg$\deg
$\sin$\sin $\cos$\cos $\tan$\tan
$\csc$\csc $\sec$\sec $\cot$\cot
$\arcsin$\arcsin $\arccos$\arccos $\arctan$\arctan
$\sinh$\sinh $\cosh$\cosh $\tanh$\tanh
$\coth$\coth
$\gcd$\gcd
$\hom$\hom
$\inf$\inf $\sup$\sup
$\ker$\ker
$\mod a$\mod a $\bmod$\bmod $\pmod{a}$\pmod{a}
$\pod{a}$\pod{a}
$\det$\det
$\dim$\dim
$\Pr$\Pr
$\wp$\wp
$\smallint$\smallint
$\nabla$\nabla $\partial$\partial

図形◯△口

$\angle$\angle $\measuredangle$\measuredangle $\sphericalangle$\sphericalangle
$\llcorner$\llcorner $\ulcorner$\ulcorner $\urcorner$\urcorner $\lrcorner$\lrcorner
$\mid$\mid $\shortmid$\shortmid $\nshortmid$\nshortmid　\nmid
$\parallel$\parallel $\shortparallel$\shortparallel $\nparallel$\nparallel　\nshortparallel
$\triangle$\triangle　\bigtriangleup $\bigtriangledown$\bigtriangledown
$\vartriangle$\vartriangle $\triangledown$\triangledown
$\vartriangleright$\vartriangleright　\rhd $\vartriangleleft$\vartriangleleft　\lhd
$\triangleleft$\triangleleft $\triangleright$\triangleright
$\blacktriangle$\blacktriangle $\blacktriangledown$\blacktriangledown
$\blacktriangleleft$\blacktriangleleft $\blacktriangleright$\blacktriangleright
$\square$\square　\Box
$\boxplus$\boxplus $\boxminus$\boxminus $\boxtimes$\boxtimes $\boxdot$\boxdot
$\blacksquare$\blacksquare
$\bigcirc$\bigcirc
$\oplus$\oplus $\ominus$\ominus $\circleddash$\circleddash $\otimes$\otimes
$\circledast$\circledast $\odot$\odot $\oslash$\oslash $\varnothing$\varnothing
$\circledcirc$\circledcirc
$\circ$\circ $\bullet$\bullet
$\clubsuit$\clubsuit $\spadesuit$\spadesuit $\heartsuit$\heartsuit $\diamondsuit$\diamondsuit
$\Diamond$\Diamond　\lozenge $\diamond$\diamond
$\bigstar$\bigstar $\star$\star

ギリシャ文字

$\mathrm{A}$\mathrm{A}　　$\alpha$\alpha　
$\mathrm{B}$\mathrm{B}$\beta$\beta
$\Gamma$\Gamma$\varGamma$\varGamma$\gamma$\gamma
$\Delta$\Delta$\varDelta$\varDelta$\delta$\delta
$\mathrm{E}$\mathrm{E}$\epsilon$\epsilon$\varepsilon$\varepsilon
$\mathrm{Z}$\mathrm{Z}$\zeta$\zeta
$\mathrm{H}$\mathrm{H}$\eta$\eta
$\Theta$\Theta$\varTheta$\varTheta$\theta$\theta$\vartheta$\vartheta
$\mathrm{I}$\mathrm{I}$\iota$\iota
$\mathrm{K}$\mathrm{K}$\kappa$\kappa
$\Lambda$\Lambda$\varLambda$\varLambda$\lambda$\lambda
$\mathrm{M}$\mathrm{M}$\mu$\mu
$\mathrm{N}$\mathrm{N}$\nu$\nu
$\Xi$\Xi$\varXi$\varXi$\xi$\xi
$O$O$\omicron$\omicron$o$o
$\Pi$\Pi$\varPi$\varPi$\pi$\pi$\varpi$\varpi
$P$P$\rho$\rho$\varrho$\varrho
$\Sigma$\Sigma$\varSigma$\varSigma$\sigma$\sigma$\varsigma$\varsigma
$\mathrm{T}$\mathrm{T}$\tau$\tau
$\Upsilon$\Upsilon$\varUpsilon$\varUpsilon$\upsilon$\upsilon
$\Phi$\Phi$\varPhi$\varPhi$\phi$\phi$\varphi$\varphi
$\Psi$\Psi$\varPsi$\varPsi$\psi$\psi
$\Omega$\Omega$\varOmega$\varOmega$\omega$\omega
$\backepsilon$\backepsilon
$\digamma$\digamma
類似
$\mho$\mho

アルファベット

$\forall$\forall
$\complement$\complement
$\exists$\exists
$\Finv$\Finv
$\Game$\Game
$\hbar$\hbar $\hslash$\hslash
$\Im$\Im
$\imath$\imath $\jmath$\jmath
$\Bbbk$\Bbbk
$\ell$\ell
$\wp$\wp
$\Re$\Re
$\circledR$\circledR $\circledS$\circledS
$\yen$\yen

ヘブライ文字

$\aleph$　\aleph　 $\beth$　\beth　 $\daleth$　\daleth　 $\gimel$　\gimel　

アイスランド語

$\eth$\eth

ハット等

$\hat{a}$\hat{a} $\widehat{a}$\widehat{a}
$\overparen{rr}$\overparen{rr} $\underparen{rr}$\underparen{rr} $\overset{\style{transform:scale(3.3,2)}{\frown}}{\mathrm{A}_n\mathrm{B}_n\!}$\overset{\style{transform:scale(3.3,2)}{\frown}}{\mathrm{A}_n\mathrm{B}_n\!}
$\overline{a}$\overline{a} $\underline{a}$\underline{a} $\bar{a}$\bar{a}
$\acute{a}$\acute{a} $\grave{a}$\grave{a}
$\tilde{a}$\tilde{a} $\widetilde{a}$\widetilde{a}
$\breve{a}$\breve{a} $\check{a}$\check{a}
$\overrightarrow{a}$\overrightarrow{a} $\overleftarrow{a}$\overleftarrow{a} $\vec{a}$\vec{a}
$\overleftrightarrow{a}$\overleftrightarrow{a} $\underleftrightarrow{a}$\underleftrightarrow{a}
$\underrightarrow{a}$\underrightarrow{a} $\underleftarrow{a}$\underleftarrow{a}
$\xrightarrow{a}$\xrightarrow{a} $\xleftarrow{a}$\xleftarrow{a}
$\overset{A}{\rightarrow}$\overset{A}{\rightarrow} $\underset{A}{\rightarrow}$\underset{A}{\rightarrow} $\underset{A}{\overset{B}{\rightarrow}}$\underset{A}{\overset{B}{\rightarrow}}
$\dot{a}$\dot{a} $\ddot{a}$\ddot{a} $\dddot{a}$\dddot{a}
$\ddddot{a}$\ddddot{a} $\mathring{a}$\mathring{a}
$\rlap{L}{y}$\rlap{L}{y} ${L\negthickspace y}${L\negthickspace y} ${L\llap y}${L\llap y}
$\boxed{a}$\boxed{a} $\fbox{a}$\fbox{a}

高さ設定用のコマンド

文章中の数式（$～$）中でも \displaystyle で通常の高さに設定できます。
array環境等でも同様です。
通常の数式中でも \textstyle で文章の高さに設定できます。

　文章中の数式で通常の高さ

$\dbinom{a}{b}$$\displaystyle\binom{a}{b}$$\dbinom{a}{b}$$\displaystyle\binom{a}{b}$
$\dfrac{a}{b}$$\displaystyle\frac{a}{b}$$\dfrac{a}{b}$$\displaystyle\frac{a}{b}$
$\dbinom{a}{b}$$\displaystyle\binom{a}{b}$$\dbinom{a}{b}$$\displaystyle\binom{a}{b}$

　通常の数式中で文章中の数式の高さ

\[\tbinom{a}{b}\]\[\textstyle\binom{a}{b}\]\[\tbinom{a}{b}\]\[\textstyle\binom{a}{b}\]
\[\tfrac{a}{b}\]\[\textstyle\frac{a}{b}\]\[\tfrac{a}{b}\]\[\textstyle\frac{a}{b}\]

上下に配置する

$\overset{a}{A}$\overset{a}{A} $\underset{a}{A}$\underset{a}{A}
$\overset{a}{\underset{b}{A}}$\overset{a}{\underset{b}{A}} $\underset{b}{\overset{a}{A}}$\underset{b}{\overset{a}{A}}
$\displaystyle\overset{a}{\int}$\overset{a}{\int} $\displaystyle\underset{b}{\int}$\underset{b}{\int}
$\stackrel{11}{22}$\stackrel{11}{22}

書体

\boldsymbol{a}、太字斜体（ボールドフォント） \[ \boldsymbol{abcdefghijklmnopqrstuvwxyz} \] \[ \boldsymbol{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \mathbf{a}、{\bf a}、太字立体（ボールドフォント） \[ \mathbf{abcdefghijklmnopqrstuvwxyz} \] \[ \mathbf{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \mathit{a}、{\it a}、イタリック体（斜体、italic type） \[ \mathit{abcdefghijklmnopqrstuvwxyz} \] \[ \mathit{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \mathrm{a}、{\rm a}、ローマン体（立体、roman type） \[ \mathrm{abcdefghijklmnopqrstuvwxyz} \] \[ \mathrm{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \operatorname{a}、演算子（operator） \[ \operatorname{abcdefghijklmnopqrstuvwxyz} \] \[ \operatorname{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \mathbb{a}、\Bbb{a}、黒板太字（blackboard bold） \[ \mathbb{abcdefghijklmnopqrstuvwxyz} \] \[ \mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \mathtt{a}、{\tt a}、typewriter typestyle \[ \mathtt{abcdefghijklmnopqrstuvwxyz} \] \[ \mathtt{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] {\sf a}、サンセリフ（sans-serif） \[ {\sf abcdefghijklmnopqrstuvwxyz} \] \[ {\sf ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \mathcal{a}、カリグラフィー（calligraphy） \[ \mathcal{abcdefghijklmnopqrstuvwxyz} \] \[ \mathcal{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \mathscr{a}、筆記体（script） \[ \mathscr{abcdefghijklmnopqrstuvwxyz} \] \[ \mathscr{ABCDEFGHIJKLMNOPQRSTUVWXYZ} \] \mathfrak{a}、フラクトゥール（Fraktur） \[ \begin{array}{cccc} \mathfrak{CEGS}&\mathfrak{DOQV}&\mathfrak{FIJT}&\mathfrak{AU}\\ \mathrm{CEGS}&\mathrm{DOQV}&\mathrm{FIJT}&\mathrm{AU}\\[2mm]\mathfrak{BP}&\mathfrak{HKRNY}&\mathfrak{MW}&\mathfrak{LXZ}\\ \mathrm{BP}&\mathrm{HKRNY}&\mathrm{MW}&\mathrm{LXZ} \end{array} \]
$\mathfrak{A}$$\mathfrak{B}$$\mathfrak{C}$$\mathfrak{D}$$\mathfrak{E}$$\mathfrak{F}$$\mathfrak{G}$$\mathfrak{H}$$\mathfrak{I}$$\mathfrak{J}$$\mathfrak{K}$$\mathfrak{L}$$\mathfrak{M}$
$ \mathrm{A}$$\mathrm{B}$$\mathrm{C}$$\mathrm{D}$$\mathrm{E}$$\mathrm{F}$$\mathrm{G}$$\mathrm{H}$$\mathrm{I}$$\mathrm{J}$$\mathrm{K}$$\mathrm{L}$$\mathrm{M}$
$\mathfrak{N}$$\mathfrak{O}$$\mathfrak{P}$$\mathfrak{Q}$$\mathfrak{R}$$\mathfrak{S}$$\mathfrak{T}$$\mathfrak{U}$$\mathfrak{V}$$\mathfrak{W}$$\mathfrak{X}$$\mathfrak{Y}$$\mathfrak{Z}$
$\mathrm{N}$$\mathrm{O}$$\mathrm{P}$$\mathrm{Q}$$\mathrm{R}$$\mathrm{S}$$\mathrm{T}$$\mathrm{U}$$\mathrm{V}$$\mathrm{W}$$\mathrm{X}$$\mathrm{Y}$$\mathrm{Z}$

$\mathfrak{a}$$\mathfrak{b}$$\mathfrak{c}$$\mathfrak{d}$$\mathfrak{e}$$\mathfrak{f}$$\mathfrak{g}$$\mathfrak{h}$$\mathfrak{i}$$\mathfrak{j}$$\mathfrak{k}$$\mathfrak{l}$$\mathfrak{m}$
$ \mathrm{a}$$\mathrm{b}$$\mathrm{c}$$\mathrm{d}$$\mathrm{e}$$\mathrm{f}$$\mathrm{g}$$\mathrm{h}$$\mathrm{i}$$\mathrm{j}$$\mathrm{k}$$\mathrm{l}$$\mathrm{m}$
$\mathfrak{n}$$\mathfrak{o}$$\mathfrak{p}$$\mathfrak{q}$$\mathfrak{r}$$\mathfrak{s}$$\mathfrak{t}$$\mathfrak{u}$$\mathfrak{v}$$\mathfrak{w}$$\mathfrak{x}$$\mathfrak{y}$$\mathfrak{z}$
$\mathrm{n}$$\mathrm{o}$$\mathrm{p}$$\mathrm{q}$$\mathrm{r}$$\mathrm{s}$$\mathrm{t}$$\mathrm{u}$$\mathrm{v}$$\mathrm{w}$$\mathrm{x}$$\mathrm{y}$$\mathrm{z}$
色
$\color{red}{A}$\color{red}{A}

CSSでstyleを変更する

$\style{font-family:Arial}{\text{ABCabc123あア阿}}$\style{font-family:Arial}{\text{ABCabc123あア阿}} $\style{font-family:Arial Black}{\text{ABCabc123あア阿}}$\style{font-family:Arial Black}{\text{ABCabc123あア阿}}
$\style{font-family:Arial}{\text{ABCabc123あア阿}}$\style{font-family:Arial}{\text{ABCabc123あア阿}} $\style{font-family:Arial}{\text{ABCabc123あア阿}}$\style{font-family:Arial}{\text{ABCabc123あア阿}}
$\style{font-family:Arial unicode ms}{\text{ABCabc123あア阿}}$\style{font-family:Arial unicode ms}{\text{ABCabc123あア阿}} $\style{font-family:Book Antiqua}{\text{ABCabc123あア阿}}$\style{font-family:Book Antiqua}{\text{ABCabc123あア阿}}
$\style{font-family:Century}{\text{ABCabc123あア阿}}$\style{font-family:Century}{\text{ABCabc123あア阿}} $\style{font-family:Century Gothic}{\text{ABCabc123あア阿}}$\style{font-family:Century Gothic}{\text{ABCabc123あア阿}}
$\style{font-family:Comic Sans MS}{\text{ABCabc123あア阿}}$\style{font-family:Comic Sans MS}{\text{ABCabc123あア阿}} $\style{font-family:Courier}{\text{ABCabc123あア阿}}$\style{font-family:Courier}{\text{ABCabc123あア阿}}
$\style{font-family:Courier New}{\text{ABCabc123あア阿}}$\style{font-family:Courier New}{\text{ABCabc123あア阿}} $\style{font-family:cursive}{\text{ABCabc123あア阿}}$\style{font-family:cursive}{\text{ABCabc123あア阿}}
$\style{font-family:fantasy}{\text{ABCabc123あア阿}}$\style{font-family:fantasy}{\text{ABCabc123あア阿}} $\style{font-family:Franklin Gothic}{\text{ABCabc123あア阿}}$\style{font-family:Franklin Gothic}{\text{ABCabc123あア阿}}
$\style{font-family:Georgia}{\text{ABCabc123あア阿}}$\style{font-family:Georgia}{\text{ABCabc123あア阿}} $\style{font-family:Helvetica}{\text{ABCabc123あア阿}}$\style{font-family:Helvetica}{\text{ABCabc123あア阿}}
$\style{font-family:Impact}{\text{ABCabc123あア阿}}$\style{font-family:Impact}{\text{ABCabc123あア阿}} $\style{font-family:Lucida Console}{\text{ABCabc123あア阿}}$\style{font-family:Lucida Console}{\text{ABCabc123あア阿}}
$\style{font-family:Lucida Sans Unicode}{\text{ABCabc123あア阿}}$\style{font-family:Lucida Sans Unicode}{\text{ABCabc123あア阿}} $\style{font-family:monospace}{\text{ABCabc123あア阿}}$\style{font-family:monospace}{\text{ABCabc123あア阿}}
$\style{font-family:MS PGothic}{\text{ABCabc123あア阿}}$\style{font-family:MS PGothic}{\text{ABCabc123あア阿}} $\style{font-family:MS PMincho}{\text{ABCabc123あア阿}}$\style{font-family:MS PMincho}{\text{ABCabc123あア阿}}
$\style{font-family:MS Gothic}{\text{ABCabc123あア阿}}$\style{font-family:MS Gothic}{\text{ABCabc123あア阿}} $\style{font-family:MS Mincho}{\text{ABCabc123あア阿}}$\style{font-family:MS Mincho}{\text{ABCabc123あア阿}}
$\style{font-family:ＭＳ 明朝}{\text{ABCabc123あア阿}}$\style{font-family:ＭＳ 明朝}{\text{ABCabc123あア阿}} $\style{font-family:MS Sans Serif}{\text{ABCabc123あア阿}}$\style{font-family:MS Sans Serif}{\text{ABCabc123あア阿}}
$\style{font-family:MS Serif}{\text{ABCabc123あア阿}}$\style{font-family:MS Serif}{\text{ABCabc123あア阿}} $\style{font-family:Palatino Linotype}{\text{ABCabc123あア阿}}$\style{font-family:Palatino Linotype}{\text{ABCabc123あア阿}}
$\style{font-family:serif}{\text{ABCabc123あア阿}}$\style{font-family:serif}{\text{ABCabc123あア阿}} $\style{font-family:SimSun}{\text{ABCabc123あア阿}}$\style{font-family:SimSun}{\text{ABCabc123あア阿}}
$\style{font-family:Sylfaen}{\text{ABCabc123あア阿}}$\style{font-family:Sylfaen}{\text{ABCabc123あア阿}} $\style{font-family:Tahoma}{\text{ABCabc123あア阿}}$\style{font-family:Tahoma}{\text{ABCabc123あア阿}}
$\style{font-family:Times}{\text{ABCabc123あア阿}}$\style{font-family:Times}{\text{ABCabc123あア阿}} $\style{font-family:Times New Roman}{\text{ABCabc123あア阿}}$\style{font-family:Times New Roman}{\text{ABCabc123あア阿}}
$\style{font-family:Trebuchet MS}{\text{ABCabc123あア阿}}$\style{font-family:Trebuchet MS}{\text{ABCabc123あア阿}} $\style{font-family:Verdana}{\text{ABCabc123あア阿}}$\style{font-family:Verdana}{\text{ABCabc123あア阿}}
$\style{font-family:Yu Gothic}{\text{ABCabc123あア阿}}$\style{font-family:Yu Gothic}{\text{ABCabc123あア阿}} $\style{font-family:游ゴシック}{\text{ABCabc123あア阿}}$\style{font-family:游ゴシック}{\text{ABCabc123あア阿}}
$\style{font-family:Yu Mincho}{\text{ABCabc123あア阿}}$\style{font-family:Yu Mincho}{\text{ABCabc123あア阿}} $\style{font-family:游明朝}{\text{ABCabc123あア阿}}$\style{font-family:游明朝}{\text{ABCabc123あア阿}}
$\cssId{equation1-1}{A}$$\cssId{equation1-1}{A}$<style>#equation1-1{color:cyan}</style>
$\cssId{equation1-1a}{A}$$\cssId{equation1-1a}{A}$<style>#equation1-1a{color:#1278EF}</style>
$\cssId{equation1-2}{A}$$\cssId{equation1-2}{A}$<style>#equation1-2{font-size:150%}</style>
$\cssId{equation1-3}{A}$$\cssId{equation1-3}{A}$<style>#equation1-3{transform:rotate(90deg)}</style>
$\cssId{equation1-4}{A}$$\cssId{equation1-4}{A}$<style>#equation1-4{visibility:hidden}</style>
$\cssId{equation1-5}{A}$$\cssId{equation1-5}{A}$<style>#equation1-5{text-shadow:2px 1px 1px red}</style>
$\cssId{equation1-6}{A}$$\cssId{equation1-6}{A}$<style>#equation1-6{opacity:0.5}</style>
$\cssId{equation1-7}{A}$$\cssId{equation1-7}{A}$<style>#equation1-7{font-weight:bold}</style>

数式における通常の文章

\[ a\equiv b\hspace{1cm}(\style{font-family:serif}{\text{ただし}}\ b\ \style{font-family:serif}{\text{は実数}}) \] \style{font-family:serif}{\text{実数}}

その他記号

$\prime$\prime $\backprime$\backprime
$\dagger$\dagger $\ddagger$\ddagger
$\wr$\wr
$\infty$\infty
$\emptyset$\emptyset
$\flat$\flat $\natural$\natural $\sharp$\sharp
$\pitchfork$\pitchfork
$\intercal$\intercal
$\maltese$\maltese
$\S$\S
$\leftthreetimes$\leftthreetimes $\rightthreetimes$\rightthreetimes
$\#$\# $\$$\$ $\%$\% $\And$\&　\And
$\_$\_ $\lt$\lt $\gt$\gt
$\therefore$\therefore $\because$\because
$\mathrm{\LaTeX}$\mathrm{\LaTeX} $\mathrm{\TeX}$\mathrm{\TeX}
$\checkmark$\checkmark

組み合わせ

$\not$　\not
$\not\exists$　\not\exists
${p\llap/}$　{p\llap/}
$\dot{\boldsymbol{a}}$　\dot{\boldsymbol{a}}
$_n\mathrm{C}_k$　_n\mathrm{C}_k
$\displaystyle\rlap{\int}{\hspace{0.15em}\cssId{circlearrowleft}{\circlearrowleft}}$　$\rlap{\int}{\hspace{0.15em}\cssId{circlearrowleft}{\circlearrowleft}}$<style>#circlearrowleft{transform:rotate(80deg)}</style>
$^\prime$^\prime
$\left\{\begin{array}{cc}a&b\\[1mm]c&d\end{array}\right.$\left\{\begin{array}{cc}a&b\\[1mm]c&d\end{array}\right.



inserted by FC2 system