Thêm một số kí hiệu hay dùng cho công thức Toán
[tex]s_k \equiv 0 \pmod{m}[/tex]
Mã:
[NOPARSE]s_k \equiv 0 \pmod{m}[/NOPARSE]
[tex]\nabla \; \partial x \; dx \; \dot x\; \ddot y[/tex]
Mã:
[NOPARSE]\nabla \; \partial x \; dx \; \dot x\; \ddot y[/NOPARSE]
[tex]\forall \; \exists \; \empty \; \emptyset \; \in \; \ni \; \not \; \in \; \notin[/tex]
Mã:
[NOPARSE]\forall \; \exists \; \empty \; \emptyset \; \in \; \ni \; \not \; \in \; \notin[/NOPARSE]
[tex]\subset \; \supset \; \supseteq \; \cap \; \bigcap \; \cup \; \bigcup \; \biguplus[/tex]
Mã:
[NOPARSE]\subset \; \supset \; \supseteq \; \cap \; \bigcap \; \cup \; \bigcup \; \biguplus[/NOPARSE]
[tex]\wedge \; \bigwedge \; \bar{q} \to p\ lor \vee \; \bigvee \; \neg q \; \setminus[/tex]
Mã:
[NOPARSE]\wedge \; \bigwedge \; \bar{q} \to p\ lor \vee \; \bigvee \; \neg q \; \setminus[/NOPARSE]
[tex]\sqrt{2}\approx 1.4 ; \sqrt[n]{x}[/tex]
Mã:
[NOPARSE]\sqrt{2}\approx 1.4 ; \sqrt[n]{x}[/NOPARSE]
[tex]\sim \; \approx \; \simeq \; \le \; < \; \ge \; > \; \equiv \; \not\equiv \; \ne \; \propto \; \pm \; \mp[/tex]
Mã:
[NOPARSE]\sim \; \approx \; \simeq \; \le \; < \; \ge \; > \; \equiv \; \not\equiv \; \ne \; \propto \; \pm \; \mp[/NOPARSE]
[tex]\Diamond \; \triangle \; \angle \; \perp \; \mid \; \| \; 45^0[/tex]
Mã:
[NOPARSE]\Diamond \; \triangle \; \angle \; \perp \; \mid \; \| \; 45^0[/NOPARSE]
[tex]\leftarrow \; \rightarrow \; \to \; \leftrightarrow />
\longleftarrow \; \nearrow \; \searrow \; \swarrow \; \nwarrow
\uparrow \; \downarrow \; \updownarrow[/tex]
Mã:
[NOPARSE]\leftarrow \; \rightarrow \; \to \; \leftrightarrow /
\longleftarrow \; \nearrow \; \searrow \; \swarrow \; \nwarrow />
\uparrow \; \downarrow \; \updownarrow[/NOPARSE]
[tex]\rightharpoonup \; \rightharpoondown \; \leftharpoonup \; \leftharpoondown[/tex]
Mã:
[NOPARSE]\rightharpoonup \; \rightharpoondown \; \leftharpoonup \; \leftharpoondown[/NOPARSE]
[tex]\Leftarrow \; \Rightarrow \; \Leftrightarrow \; \Longleftarrow \; \Longrightarrow \; \Longleftrightarrow \; \Uparrow \; \Downarrow \; \Updownarrow[/tex]
Mã:
[NOPARSE]\Leftarrow \; \Rightarrow \; \Leftrightarrow \; \Longleftarrow \; \Longrightarrow \; \Longleftrightarrow \; \Uparrow \; \Downarrow \; \Updownarrow[/tex][/NOPARSE]
[tex]\S \; \P \; \% \; \dagger \; \ddagger \; \star \; * \; \ldots \; \smile \frown \wr \oplus \bigoplus \otimes \bigotimes \; \times \cdot \circ \bullet \bigodot \triangleleft \triangleright \infty \bot \top \; \imath \; \hbar \; \ell ; \Re \; \Im \; \wp ; \clubsuit \; \spadesuit \; \quad \flat \; \natural \; \sharp[/tex]
Mã:
[NOPARSE]\S \; \P \; \% \; \dagger \; \ddagger \; \star \; * \; \ldots \; \smile \frown \wr \oplus \bigoplus \otimes \bigotimes \; \times \cdot \circ \bullet \bigodot \triangleleft \triangleright \infty \bot \top \; \imath \; \hbar \; \ell ; \Re \; \Im \; \wp ; \clubsuit \; \spadesuit \; \quad \flat \; \natural \; \sharp[/NOPARSE]
[tex]\not\vdots \, \not\subset \, \not\| \, \not\Rightarrow \, \not= \, \not\perp \, \not\exists[/tex]
Mã:
[NOPARSE]\not\vdots \, \not\subset \, \not\| \, \not\Rightarrow \, \not= \, \not\perp \, \not\exists[/NOPARSE]
[tex]x^\prime, y^{\prime\prime}[/tex]
Mã:
[NOPARSE]x^\prime, y^{\prime\prime}[/NOPARSE]
[tex]x\prime, y\prime\prime[/tex]
Mã:
[NOPARSE]x\prime, y\prime\prime[/NOPARSE]
[tex]\dot{x}, \ddot{x}[/tex]
Mã:
[NOPARSE]\dot{x}, \ddot{x}[/NOPARSE]
[tex]\hat a \ \bar b \ \vec c \ \widehat{d e f} \ \overline{g h i} \ \underline{j k l}[/tex]
Mã:
[NOPARSE]\hat a \ \bar b \ \vec c \ \widehat{d e f} \ \overline{g h i} \ \underline{j k l}[/NOPARSE]
[tex]\begin{matrix} 5050 \\ \overbrace{ 1+2+\cdots+100 } \end{matrix} ; \begin{matrix} \underbrace{ a+b+\cdots+z } \\ 26 \end{matrix}[/tex]
Mã:
[NOPARSE]\begin{matrix} 5050 \\ \overbrace{ 1+2+\cdots+100 } \end{matrix} ; \begin{matrix} \underbrace{ a+b+\cdots+z } \\ 26 \end{matrix}[/NOPARSE]
[tex]\sum_{k=1}^N k^2 ; \prod_{i=1}^N x_i ; \coprod_{i=1}^N x_i ; \lim_{n \to \infty}x_n ; \int_{-N}^{N} e^x\, dx ; \iiint_{E}^{V} \, dx\,dy\,dz ; \oint_{C} x^3\, dx + 4y^2\, dy ; \bigcap_1^{n} p ; \bigcup_1^{k} p[/tex]
Mã:
[NOPARSE]\sum_{k=1}^N k^2 ; \prod_{i=1}^N x_i ; \coprod_{i=1}^N x_i ; \lim_{n \to \infty}x_n ; \int_{-N}^{N} e^x\, dx ; \iiint_{E}^{V} \, dx\,dy\,dz ; \oint_{C} x^3\, dx + 4y^2\, dy ; \bigcap_1^{n} p ; \bigcup_1^{k} p[/NOPARSE]
[tex]\frac{2}{4} or {2 \over 4} ;\begin{matrix} \frac{2}{4} \end{matrix}[/tex]
Mã:
[NOPARSE]\frac{2}{4} or {2 \over 4} ;\begin{matrix} \frac{2}{4} \end{matrix}[/NOPARSE]
[tex]\begin{matrix} x & y \\ z & v \end{matrix} ;\begin{vmatrix} x & y \\ z & v \end{vmatrix} ; \begin{Vmatrix} x & y \\ z & v \end{Vmatrix}[/tex]
Mã:
[NOPARSE]\begin{matrix} x & y \\ z & v \end{matrix} ;\begin{vmatrix} x & y \\ z & v \end{vmatrix} ; \begin{Vmatrix} x & y \\ z & v \end{Vmatrix}[/NOPARSE]
[tex]\begin{bmatrix} 0 & \cdots & 0 \\ \vdots & \ddots & \vdots \\ 0 & \cdots & 0\end{bmatrix}[/tex]
Mã:
[NOPARSE]\begin{bmatrix} 0 & \cdots & 0 \\ \vdots & \ddots & \vdots \\ 0 & \cdots & 0\end{bmatrix}[/NOPARSE]
[tex]\begin{Bmatrix} x & y \\ z & v \end{Bmatrix} ; \begin{pmatrix} x & y \\ z & v \end{pmatrix}[/tex]
Mã:
[NOPARSE]\begin{Bmatrix} x & y \\ z & v \end{Bmatrix} ; \begin{pmatrix} x & y \\ z & v \end{pmatrix}[/NOPARSE]
[tex]f(n) = \begin{cases}{\frac{n}{2} \mbox{khi }n > 0 \\ 3n+1, \mbox{khi }n < 0 \end{cases}[/tex]
Mã:
[NOPARSE]f(n) = \begin{cases}{\frac{n}{2} \mbox{khi }n > 0 \\ 3n+1, \mbox{khi }n < 0 \end{cases}[/NOPARSE]
[tex]\mathit{abcde 1234};\mathrm{ abcde 1234} ; ( \frac{1}{2} ) ; \left ( \frac{1}{2} \right )[/tex]
Mã:
[NOPARSE]\mathit{abcde 1234};\mathrm{ abcde 1234} ; ( \frac{1}{2} ) ; \left ( \frac{1}{2} \right )[/NOPARSE]
[tex]\left [ \frac{a}{b} \right ] \quad \left \lbrack \frac{a}{b} \right \rbrack ; \left \{ \frac{a}{b} \right \} \quad \left \lbrace \frac{a}{b} \right \rbrace ; \left \langle \frac{a}{b} \right \rangle[/tex]
Mã:
[NOPARSE]\left [ \frac{a}{b} \right ] \quad \left \lbrack \frac{a}{b} \right \rbrack ; \left \{ \frac{a}{b} \right \} \quad \left \lbrace \frac{a}{b} \right \rbrace ; \left \langle \frac{a}{b} \right \rangle[/NOPARSE]
[tex]\frac{a}{b} \right \left \Vert \frac{c}{d} \right \|; \left \lfloor \frac{a}{b} \right \rfloor \left \lceil \frac{c}{d} \right \rceil ; \left / \frac{a}{b} \right \backslash[/tex]
Mã:
[NOPARSE]\frac{a}{b} \right \left \Vert \frac{c}{d} \right \|; \left \lfloor \frac{a}{b} \right \rfloor \left \lceil \frac{c}{d} \right \rceil ; \left / \frac{a}{b} \right \backslash[/NOPARSE]
[tex]\left \uparrow \frac{a}{b} \right \downarrow \quad \left \Uparrow \frac{a}{b} \right \Downarrow \quad \left \updownarrow \frac{a}{b} \right \Updownarrow[/tex]
Mã:
[NOPARSE]\left \uparrow \frac{a}{b} \right \downarrow \quad \left \Uparrow \frac{a}{b} \right \Downarrow \quad \left \updownarrow \frac{a}{b} \right \Updownarrow[/NOPARSE]
[tex]\left . \frac{A}{B} \right \} \to X ;\big( \Big( \bigg( \Bigg( ... \Bigg] \bigg] \Big] \big];\big\{ \Big\{ \bigg\{ \Bigg\{ ... \Bigg\rangle \bigg\rangle \Big\rangle \big\rangle[/tex]
Mã:
[NOPARSE]\left . \frac{A}{B} \right \} \to X ;\big( \Big( \bigg( \Bigg( ... \Bigg] \bigg] \Big] \big];\big\{ \Big\{ \bigg\{ \Bigg\{ ... \Bigg\rangle \bigg\rangle \Big\rangle \big\rangle[/NOPARSE]
[tex]\uparrow ;\Uparrow ; \downarrow ; \Downarrow[/tex]
Mã:
[NOPARSE]\uparrow ;\Uparrow ; \downarrow ; \Downarrow[/NOPARSE]
[tex]a \qquad b ; a \quad b[/tex]
Mã:
[NOPARSE]a \qquad b ; a \quad b[/NOPARSE]
[tex]a^{c+2} \,a^{\,\!c+2}[/tex]
Mã:
[NOPARSE]a^{c+2} \,a^{\,\!c+2}[/NOPARSE]