Pronunciation of Symbols in English
+
plus 加号;positive 正的 -
minus 减号;negative 负的±
plus or minus 正负号 *
is multiplied by 乘号÷
is divided by 除号 =
is equal to 等于号 >
is more than 大于号 <
is less than 小于号 ≤
is less than or equal to 小于或等于号 ≥
is more than or equal to 大于或等于号 ≮
is not less than 不小于号 ≯
is not more than 不大于号 ≠
is not equal to 不等于号 ≡
is equivalent to 全等于号 ≌
is equal to or approximately equal to 等于或约等于号 ≈
is approximately equal to 约等于号
,
comma 逗号 .
period, dot 句号,点 :
colon 冒号 ;
semicolon 分号 #
pound 井号 -
hyphen 连字号 _
underscore 下划线 ~
tilde 波浪符 --
dash 破折号 ...
dots/ ellipsis 省略号 ?
question mark 问号 !
exclamation mark (英式英语) exclamation point (美式英语) "
single quotation marks 单引号 ""
double quotation marks 双引号 /
slash, divide, oblique 斜线,斜杠,除号 //
slash-slash, comment 双斜线,注释符 /
virgule 斜线号 |
vertical bar, vertical virgule 竖线 ‖
parallel 双线号&
ampersand, and, reference, ref 和,引用 \
backslash, sometimes escape 反斜线转义符,有时表示转义符或续行符 '
apostrophe 省略号,英文中省略字符用的撇号;所有格符号(men'
s room)~
swung dash 代字号 §
section; division 分节号 →
arrow 箭号;参见号
{
open brace, open curly 左花括号 }
close brace, close curly 右花括号 {}
braces 中括号(
open parenthesis, open paren 左圆括号 )
close parenthesis, close paren 右圆括号 ()
brakets/ parentheses 括号 [
open bracket 左方括号 ]
close bracket 右方括号 []
square brackets 方括号 《 》
French quotes 法文引号;书名号
%
per cent 百分之… ‰
per mill 千分之… ∶
ditto 双点号¨
tandem colon 双点号
′
minute 分 〃
second 秒 °
degree 度 ℃
Celsius system 摄氏度
∞
infinity 无限大号 ∝
varies as 与…成比例 ∵
since; because 因为 ∴
hence 所以 ∷
equals, as (proportion) 等于,成比例
√
(square) root 平方根 ∠
angle 角 ≲
semicircle 半圆 ≰
circle 圆 ○
circumference 圆周 π
pi 圆周率 △
triangle 三角形 ≱
perpendicular to 垂直于
∪
union of 并,合集 ∩
intersection of 交,通集 ∫
the integral of …的积分 ∑
(sigma) summation of 总和
LognX
logx to the base n f(x)
the function of x dx
diffrencial of x x+y
x plus y (a+b)
bracket a plus b bracket closed a=b
a equals b a≠b
a isn’t equal to b a>b
a is greater than b a>>b
a is much greater than b a≥b
a is greater than or equal to b x→∞
x approches infinity x2
x square x3
x cube xn
the nth power of x √ ̄x
the square root of x 3√ ̄x
the cube root of x n√ ̄x
the nth root of x 6 %
6 percent 3‰
3 per mille 3‰
three peimill n∑i=1xi
the summation of x where x goes from 1to n n∏i=1xi
the product of x sub i where igoes from 1to n ∫ab
integral betweens a and b >>
is approximately equal to2:3
the ratio of two to three D x or d x
the increment of x dy/dx
the first derivative of y with respect to x 1/2
a half; one half 2/3
two thirds 5/123
five over a hundred and twenty-three 0.01
O point O one; zero point zero one; nought point nought one r=xd
r equals x multiplied by d 5* 2=10
five times two equals ten x3/8=y2
x raised to the third power divided by eight equals y squared (a+b-c* d)/e=f
a plus b minus c multiplied by d all divided by e equals fy = (Wt-W)/x
y equals W sub t minus W over x
Α α
Alpha /ˈælfə/Β β
Alpha /ˈbeɪtə/Γ γ
Gamma /ˈdɛltə/Δ δ
Delta /ˈdɛltə/Ε ε
Epsilon /ˈɛpsɨlɒn/Ζ ζ
Zeta /ˈzeɪtə/Η η
Eta /ˈeɪtə/Θ θ
Theta /ˈθeɪtə/Ι ι
Iota /aɪˈoʊtə/Κ κ
Kappa /ˈkæpə/Λ λ
Lambda /ˈlæmdə/Μ μ
Mu /ˈmuː/Ν ν
Nu /ˈnuː/Ξ ξ
Xi /ˈksaɪ/Ο ο
Omicron /ˈɒmɨkrɒn/Π π
Pi /ˈpaɪ/Ρ ρ
Rho /ˈroʊ/Σ σ
Sigma /ˈsɪɡmə/Τ τ
Tau /ˈtaʊ/,/ˈtɔː/Υ υ
Upsilon /ˈʌpsɨlɒn/Φ φ
Phi /ˈfaɪ/Χ χ
Chi /ˈkaɪ/Ψ ψ
Psi PsiΩ ω
Omega /oʊˈmeɪɡə/