Directory title
-
- Example
-
- approximately equal to
- inequality sign
- Less than or equal to, greater than or equal to Not equal to
- Multiplication sign
- Click and multiply
- division sign
- plus or minus sign
- endless
- Sum
- tiring
- Greek alphabet
- arrow
- Integral, double integral, curve integral
- Trigonometric functions
- gradient
- Because Therefore
- arbitrariness and existence
- Belong and not belong
- subset, proper subset, empty set
- Intersection and union
- Logical OR and Logical AND
- expected value
- average value
- Ellipsis
- brackets
-
- Parentheses
- big parantheses
- Fraction
- Prescribe a prescription
- vector
- limit
- Derivative
- equation set
- matrix
- Logarithmic notation
- vertical line
- round
- Kronecker product
- XOR
- code
Example
The code is attached at the end
Approximately equal to
≈
\approx
≈
unequal sign
=?
?
\\
ot=\ \\
ot
=
Less than or equal to, greater than or equal to, not equal to
≤
\leq
≤
≥
\geq
≥
≠
\\
eq
=
Multiplication sign
×
\times
×
Click multiplication
?
\cdot\
?
Division sign
÷
\div
÷
Positive and negative signs
±
\pm
±
Infinity
∞
\infty
∞
Sum
∑
\sum
∑
Cumulative multiplication
∏
\prod
∏
Greek letters
α
β
γ
π
\alpha\ \beta\ \gamma\ \pi
αβγπ
Arrow
←
→
\leftarrow\ \rightarrow
←→
Integral, double integral, curve integral
∫
\int
∫
?
\iint
?
∮
\oint
∮
∫
2
a
x
+
1
d
x
\int_2^{a}x + 1dx
∫2a?x + 1dx
Trigonometric functions
⊥
∠
3
0
°
sin
?
cos
?
tan
?
\bot\ \angle\ 30^\circ\ \sin\ \cos\ \tan\
⊥∠30°sincostan
Gradient
?
\\
abla
?
Because, so
∵
\because
∵
∴
\therefore
∴
Arbitrary and existence
?
\forall
? and
?
\exists
?
Belongs and does not belong
∈
\in
∈ and
?
\\
otin
∈/
Subset, proper subset, empty set
?
\subset
?,
?
\subseteq
?,
?
\emptyset
?
Intersection and union
?
\bigcap
? and
?
\bigcup
?
Logical OR and Logical AND
?
\bigvee
? and
?
\bigwedge
?
Expected value
y
^
\hat{y}
y^?
Average
a
+
b
+
c
+
d
 ̄
\overline{a + b + c + d}
a + b + c + d?
Ellipsis
2
…
2
2\dots2
2…2
2
…
2
2\ldots2
2…2
2
?
2
2\cdots2
2?2
2
?
2
2\vdots2
2?2
2
?
2
2\ddots2
2?2
Brackets
Parentheses
f
(
s
)
f(s)
f(s)
Braces
y
∈
{
1
,
2
,
3
}
y\in\{1,2,3\}
y∈{1,2,3}
####brackets
(
1
2
)
(\sqrt {1 \over 2})
(twenty one?
(
1
2
)
\left(\sqrt {1\over2}\right)
(twenty one?
Score
1
?
x
2
?
x
\frac{1-x}{2-x}
2?x1?x?
x
x
?
1
x\over{x-1}
x?1x?
Prescription
9
\sqrt{9}
9
9
3
\sqrt[3]{9}
39
Vector
x
?
\vec{x}
x
Extreme
lim
?
x
→
+
∞
1
?
x
2
?
x
\lim_{x\rightarrow + \infty}\frac{1-x}{2-x}
x→ + ∞lim?2?x1?x?
Derivation
y
‘
=
n
×
s
n
?
1
y \prime=n×s{n-1}
y′=n×sn?1
System of equations
{
x
+
1
=
2
x
?
y
=
0
\begin{cases} x + 1=2\ x-y=0 \end{cases}
{x + 1=2x?y=0?
Matrix
1
2
3
4
5
6
1
2
3
\begin{matrix} 1 & amp;2 & amp;3\ 4 & amp;5 & amp;6\ 1 & amp;2 & amp;3\ \end{matrix }
141?252?363?
A
=
[
1
2
3
4
5
6
1
2
3
]
A=\left[\begin{matrix} 1 & amp;2 & amp;3\ 4 & amp;5 & amp;6\ 1 & amp;2 & amp;3\\ \ \end{matrix}\right]
A=
Logarithmic notation
log
?
lg
?
ln
?
\log\ \lg\ \ln
loglgln
Vertical line
∣
\mid
∣
Circle
°
\circ
°
Kronecke product
?
\bigotimes
?
XOR
?
\bigoplus
?
Code
### is approximately equal to $\approx$ ### inequality sign $$ \\ ot=\ \\ ot $$ ### Less than or equal to, greater than or equal to, not equal to $\leq$ $\geq$ $\\ eq$ ### Multiplication sign $$ \times $$ ### Click Multiply $$ \cdot\ $$ ### Division sign $$ \div $$ ### Positive and negative sign $\pm$ ### Infinite $\infty$ ### Sum $$ \sum $$ ### Multiplication $$ \prod $$ ### Greek alphabet $$ \alpha\ \beta\ \gamma\ \pi $$ ### Arrow $$ \leftarrow\ \rightarrow $$ ### Integral, double integral, curve integral $\int$ $\iint$ $\oint$ $$ \int_2^{<!-- -->a}x + 1dx $$ ### Trigonometric functions $$ \bot\ \angle\ 30^\circ\ \sin\ \cos\ \tan\ $$ ### Gradient $\\ abla$ ### Because Therefore $\because$ $\therefore$ ### Arbitrary and existence $\forall$ and $\exists$ ### Belong and not belong $\in$ and $\\ otin$ ### Subset, proper subset, empty set $\subset$, $\subseteq$, $\emptyset$ ### Intersection and Union $\bigcap$ and $\bigcup$ ### Logical OR and Logical AND $\bigvee$ and $\bigwedge$ ### Expected value $\hat{<!-- -->y}$ ### Average $\overline{<!-- -->a + b + c + d}$ ### Ellipses ![Insert image description here](https://img-blog.csdnimg.cn/e62ddc3331fd4e51ad1b3faf971a9a3a.png) $2\dots2$ $2\ldots2$ $2\cdots2$ $2\vdots2$ $2\ddots2$ ### Brackets #### Parentheses $f(s)$ #### big parantheses $y\in\{<!-- -->1,2,3\}$ ####Brackets $(\sqrt {<!-- -->1 \over 2})$ $\left(\sqrt {<!-- -->1\over2}\right)$ ### Fraction $\frac{<!-- -->1-x}{<!-- -->2-x}$ $$ x\over{<!-- -->x-1} $$ ### Prescription $$ \sqrt{<!-- -->9} $$ $$ \sqrt[3]{<!-- -->9} $$ ### Vector $$ \vec{<!-- -->x} $$ ### Limit $$ \lim_{<!-- -->x\rightarrow + \infty}\frac{<!-- -->1-x}{<!-- -->2-x} $$ ### Seeking derivation $$ y \prime=n×s{<!-- -->n-1} $$ ### equation set $$ \begin{<!-- -->cases} x + 1=2\ x-y=0 \end{<!-- -->cases} $$ ### Matrix $$ \begin{<!-- -->matrix} 1 & amp;2 & amp;3\ 4 &5&6\ 1 & amp;2 & amp;3\ \end{<!-- -->matrix} $$ $$ A=\left[\begin{<!-- -->matrix} 1 & amp;2 & amp;3\ 4 &5&6\ 1 & amp;2 & amp;3\ \end{<!-- -->matrix}\right] $$ ### Logarithmic notation $$ \log\ \lg\ \ln $$ ### Vertical line $\mid$ ### round $\circ$ ### Kronecker product $\bigotimes$ ### XOR $\bigoplus$