数学符号 (中英文对照)
数学常用符号中英文
+ plus 加号；正号- minus 减号；负号± plus or minus 正负号× is multiplied by 乘号÷ is divided by 除号＝is equal to 等于号≠ 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≈ is approximately equal to 约等于号＜is less than 小于号＞is more than 大于号≮is not less than 不小于号≯is not more than 不大于号≤ is less than or equal to 小于或等于号≥ is more than or equal to 大于或等于号% per cent 百分之…‰ per mill 千分之…∞ infinity 无限大号∝varies as 与…成比例√ (square) root 平方根∵since; because 因为∴hence 所以∷equals, as (proportion) 等于,成比例∠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° degree 度′ minute 分〃second 秒℃Celsius system 摄氏度{ open brace, open curly 左花括号} close brace, close curly 右花括号( 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. period, dot 句号,点| vertical bar, vertical virgule 竖线& ampersand, and, reference, ref 和,引用* asterisk, multiply, star, pointer 星号,乘号,星,指针/ slash, divide, oblique 斜线,斜杠,除号// slash-slash, comment 双斜线,注释符# pound 井号\ backslash, sometimes escape 反斜线转义符,有时表示转义符或续行符~ tilde 波浪符. full stop 句号, comma 逗号: colon 冒号; semicolon 分号? question mark 问号! exclamation mark (英式) exclamation point (美式)' apostrophe 撇号- hyphen 连字号-- dash 破折号... dots/ ellipsis 省略号" single quotation marks 单引号"" double quotation marks 双引号‖ par allel 双线号& ampersand = and～swung dash 代字号§ section; division 分节号→ arrow 箭号；参见号。
常用数学符号英文对照
×times sign multiplication 2 × 3 = 6 ·multiplication dot multiplication 2 · 3 = 6÷division sign /division 6 ÷ 2 = 3obelus/ division slash division 6 / 2 = 3–horizontal line division / fractionmod modulo remainder calculation 7 mod 2 = 1. period decimal point, decimal2.56 = 2+56/100separatora b power exponent 23= 8a^b caret exponent 2 ^ 3= 8√a square root √a ·√a = a√9 = ±33√a cube root 3√a ·3√a ·3√a = a3√8 = 24√a fourth root 4√a ·4√a ·4√a ·4√a = a4√16 = ±2n√a n-th root (radical) for n=3, n√8 = 2% percent1% = 1/100 10% × 30 = 3‰per-mille1‰ = 1/1000 = 0.1%10‰ × 30 = 0.3ppm per-million1ppm = 1/1000000 10ppm × 30 = 0.0003ppb per-billion 1ppb = 1/1000000000 10ppb × 30 = 3×10-7ppt per-trillion 1ppt = 10-1210ppt × 30 = 3×10-10Geometry symbolsSymbol Symbol Name Meaning / definition Example ∠angle formed by two rays ∠ABC = 30°measuredABC = 30°anglespherical angle AOB = 30°∟right angle = 90°α = 90°°degree 1 turn = 360°α = 60°deg degree 1 turn = 360deg α = 60deg′prime arcminute, 1° = 60′α = 60°59′″double prime arcsecond, 1′ = 60″α = 60°59′59″line infinite lineAB line segment line from point A to point Bray line that start from point Aarc arc from point A to point B= 60°⊥perpendicular perpendicular lines (90° angle) AC ⊥ BC| | parallel parallel lines AB | | CD≅congruent to equivalence of geometric shapes and size ∆ABC≅∆XYZ ~ similarity same shapes, not same size ∆ABC~ ∆XYZ Δtriangle triangle shape ΔABC≅ΔBCD |x-y| distance distance between points x and y | x-y | = 5πpi constant π = 3.141592654...is the ratio between the circumference and diameter of acirclec = π·d = 2·π·rrad radians radians angle unit 360° = 2π rad c radians radians angle unit 360° = 2πcgrad gradians / gons grads angle unit 360° = 400 gradg gradians / gons grads angle unit 360° = 400 g Algebra symbolsSymbol Symbol Name Meaning /definitionExample[a,b] closed interval [a,b] ={x | a≤x≤b}x∈[2,6]∆delta change /difference∆t = t1 - t0∆discriminant Δ =b2 - 4ac∑sigma summation -sum of allvalues in rangeof series∑ x i= x1+x2+...+x n∑∑sigma doublesummation∏capital pi product -product of allvalues in rangeof series∏ x i=x1∙x2∙...∙x ne e constant / Euler's number e =2.718281828...e = lim (1+1/x)x , x→∞γEuler-Mascheroni constantγ =0.527721566...φgolden ratio golden ratioconstantπpi constant π =3.141592654...is the ratiobetween thecircumference anddiameter of acirclec = π·d = 2·π·rLinear Algebra SymbolsSymbol Symbol Name Meaning / definition Example ·dot scalar product a · b×cross vector product a × bA⊗B tensor product tensor product of A and B A⊗B inner product[ ] brackets matrix of numbers( ) parentheses matrix of numbers| A | determinant determinant of matrix Adet(A) determinant determinant of matrix A|| x || double vertical bars normA T transpose matrix transpose (A T)ij = (A)jiA†Hermitian matrix matrix conjugate transpose (A†)ij = (A)ji A*Hermitian matrix matrix conjugate transpose (A*)ij = (A)ji A-1inverse matrix A A-1 = Irank(A) matrix rank rank of matrix A rank(A) = 3 dim(U) dimension dimension of matrix A rank(U) = 3 Probability and statistics symbolsSymbol Symbol Name Meaning / definition ExampleP(A) probabilityfunctionprobability of event A P(A) = 0.5P(A∩B) probability ofeventsintersectionprobability that ofevents A and BP(A∩B) = 0.5P(A∪B) probability ofevents union probability that ofevents A or BP(A∪B) = 0.5P(A | B) conditionalprobabilityfunctionprobability of event Agiven event BoccuredP(A | B) = 0.3f (x) probabilitydensity function(pdf)P(a ≤ x ≤ b) = ∫f (x) dxF(x) cumulative F(x) = P(X≤ x)distribution function (cdf)μpopulationmean mean of populationvaluesμ = 10E(X) expectationvalue expected value ofrandom variable XE(X) = 10E(X | Y) conditionalexpectation expected value ofrandom variable Xgiven YE(X | Y=2) = 5var(X) variance variance of randomvariable Xvar(X) = 4σ2variance variance ofpopulation valuesσ2 = 4std(X) standarddeviation standard deviation ofrandom variable Xstd(X) = 2σX standarddeviation standard deviationvalue of randomvariable XσX=2median middle value of random variable xcov(X,Y) covariance covariance ofrandom variables Xand Ycov(X,Y) = 4corr(X,Y) correlation correlation ofrandom variables Xand Ycorr(X,Y) = 0.6ρX,Y correlation correlation ofrandom variables Xand YρX,Y = 0.6∑summation summation - sum of all values in range of series∑∑doublesummationdouble summationBin(n,p) binomialdistributionf (k) = n C k p k(1-p)n-kPoisson(λ)Poissondistributionf (k)= λk e-λ / k!Geom(p) geometricdistributionf (k) = p(1-p) kHG(N,K,n) hyper-geometric distributionBern(p) Bernoulli distributionCombinatorics SymbolsSymbol Symbol Name Meaning / definition Examplen! factorial n! = 1·2·3·...·n5! = 1·2·3·4·5 = 120 n P k permutation 5P3 = 5! / (5-3)! = 60 n C kcombination 5C3 = 5!/[3!(5-3)!]=10Set theory symbolsSymbol Symbol Name Meaning / definition Example{ } set a collection of elements A = {3,7,9,14},B = {9,14,28}A ∩B intersection objects that belong to set A and setBA ∩B = {9,14}A ∪B union objects that belong to set A or setBA ∪B ={3,7,9,14,28}A ⊆B subset subset has fewer elements orequal to the set{9,14,28} ⊆{9,14,28}A ⊂B proper subset / strict subset has fewer elements than {9,14} ⊂subset the set {9,14,28}A ⊄B not subset left set not a subset of right set {9,66} ⊄{9,14,28}A ⊇B superset set A has more elements or equalto the set B{9,14,28} ⊇{9,14,28}A ⊃B proper superset / strictsupersetset A has more elements than setB{9,14,28} ⊃{9,14}A ⊅B not superset set A is not a superset of set B {9,14,28} ⊅{9,66}2A power set all subsets of A power set all subsets of AA =B equality both sets have the same members A={3,9,14}, B={3,9,14}, A=BA c complement all the objects that do not belong to set AA \B relative complement objects that belong to A and not toBA = {3,9,14},B = {1,2,3},A-B = {9,14}A -B relative complement objects that belong to A and not toBA = {3,9,14},B = {1,2,3},A-B = {9,14}A ∆B symmetric difference objects that belong to A or B butnot to their intersectionA = {3,9,14},B = {1,2,3},A ∆B ={1,2,9,14}A ⊖B symmetric difference objects that belong to A or B butnot to their intersectionA = {3,9,14},B = {1,2,3},A ⊖B ={1,2,9,14}a∈A element of set membership A={3,9,14}, 3 ∈Ax∉A not element of no set membership A={3,9,14}, 1 ∉A(a,b) ordered pair collection of 2 elementsA×B cartesian product set of all ordered pairs from A andB|A| cardinality the number of elements of set A A={3,9,14},|A|=3#A cardinality the number of elements of set A A={3,9,14},#A=3aleph-null infinite cardinality of natural numbers setaleph-one cardinality of countable ordinal numbers setØ empty set Ø = { } C = {Ø} universal set set of all possible values0natural numbers / wholenumbers set (with zero) 0= {0,1,2,3,4,...} 0 ∈01natural numbers / wholenumbers set (withoutzero)1= {1,2,3,4,5,...} 6 ∈1 integer numbers set = {...-3,-2,-1,0,1,2,3,...} -6 ∈rational numbers set = {x | x=a/b, a,b∈} 2/6 ∈real numbers set = {x | -∞ < x <∞} 6.343434∈complex numbers set= {z | z=a+bi,-∞<a<∞,-∞<b<∞}6+2i∈Logic symbolsSymbol Symbol Name Meaning / definition Example ·and and x·y^ caret / circumflex and x ^ y& ampersand and x & y+ plus or x + y∨reversed caret or x∨y | vertical line or x | yx' single quote not - negation x'x bar not - negation x¬not not - negation ¬x! exclamation mark not - negation ! x⊕circled plus / oplus exclusive or - xor x⊕y ~ tilde negation ~ x⇒implies⇔equivalent if and only if (iff)↔equivalent if and only if (iff)∀for all∃there exists∄there does not exists∴therefore∵because / sinceCalculus & analysis symbolsSymbol Symbol Name Meaning / definition Example limit limit value of a functionεepsilon represents a very small number,ε→0near zeroe e constant / Euler'snumber e = 2.718281828...e = lim(1+1/x)x ,x→∞y ' derivative derivative - Lagrange's notation (3x3)' = 9x2y '' second derivative derivative of derivative (3x3)'' = 18xy(n)nth derivative n times derivation (3x3)(3) = 18 derivative derivative - Leibniz's notation d(3x3)/dx = 9x2second derivative derivative of derivative d2(3x3)/dx2 = 18xnth derivative n times derivationtime derivative derivative by time - Newton's notationtime secondderivativederivative of derivativeD x y derivative derivative - Euler's notationD x2y second derivative derivative of derivativepartial derivative ∂(x2+y2)/∂x = 2x ∫integral opposite to derivation ∫f(x)dx∫∫double integral integration of function of 2variables∫∫f(x,y)dxdy∫∫∫triple integral integration of function of 3variables∫∫∫f(x,y,z)dxdydz∮closed contour / lineintegral∯closed surfaceintegral∰closed volumeintegral[a,b] closed interval [a,b] = {x | a ≤ x ≤ b}(a,b) open interval (a,b) = {x | a < x < b}i imaginary unit i≡ √-1 z = 3 + 2i z* complex conjugate z = a+bi→z*=a-bi z* = 3 - 2i z complex conjugate z = a+bi→z = a-bi z = 3 - 2i ∇nabla / del gradient / divergence operator ∇f (x,y,z) vectorunit vectorx * y convolution y(t) = x(t) * h(t)Laplace transform F(s) = {f (t)}Fourier transform X(ω) = {f (t)}δdelta function∞lemniscate infinity symbol。
数学符号大全 (2)
数学符号及读法大全常用数学输入符号：≈ ≡ ≠ ＝≤≥ ＜＞≮≯∷±＋－× ÷／∫ ∮∝∞ ∧∨∑ ∏ ∪∩ ∈∵∴⊥‖ ∠⌒≌∽√（）【】｛｝ⅠⅡ⊕⊙‖α β γ δ ε ζ η θ Δ大写小写英文注音国际音标注音中文注音Ααalpha alfa 阿耳法Ββbeta beta 贝塔Γγgamma gamma 伽马Δδdeta delta 德耳塔Εεepsilon epsilon 艾普西隆Ζζzeta zeta 截塔Ηηeta eta 艾塔Θθtheta θita西塔Ιιiota iota 约塔Κκkappa kappa 卡帕∧λlambda lambda 兰姆达Μμmu miu 缪Ννnu niu 纽Ξξxi ksi 可塞Οοomicron omikron 奥密可戎∏πpi pai 派Ρρrho rou 柔∑σsigma sigma 西格马Ττtau tau 套Υυupsilon jupsilon 衣普西隆Φφphi fai 斐Χχchi khai 喜Ψψpsi psai 普西Ωωomega omiga 欧米符号含义i -1的平方根f(x) 函数f在自变量x处的值sin(x) 在自变量x处的正弦函数值exp(x) 在自变量x处的指数函数值，常被写作exa^x a的x次方；有理数x由反函数定义ln x exp x 的反函数ax 同a^xlogba 以b为底a的对数；blogba = acos x 在自变量x处余弦函数的值tan x 其值等于sin x/cos xcot x 余切函数的值或cos x/sin xsec x 正割含数的值，其值等于1/cos xcsc x 余割函数的值，其值等于1/sin xasin x y，正弦函数反函数在x处的值，即x = sin yacos x y，余弦函数反函数在x处的值，即x = cos yatan x y，正切函数反函数在x处的值，即x = tan yacot x y，余切函数反函数在x处的值，即x = cot yasec x y，正割函数反函数在x处的值，即x = sec yacsc x y，余割函数反函数在x处的值，即x = csc yθ角度的一个标准符号，不注明均指弧度，尤其用于表示atan x/y，当x、y、z用于表示空间中的点时i, j, k 分别表示x、y、z方向上的单位向量(a, b, c) 以a、b、c为元素的向量(a, b) 以a、b为元素的向量(a, b) a、b向量的点积a•b a、b向量的点积(a•b)a、b向量的点积|v| 向量v的模|x| 数x的绝对值∑表示求和，通常是某项指数。
最全数学特殊符号大全
常用数学符号大全[标签：数学]1 几何符号ⅷⅶ↋ↆↄ△2 代数符号ⅴⅸⅹ～ⅼↅↇↈↃⅵↀ3运算符号×÷ⅳ±4集合符号ⅻⅺⅰ5特殊符号ⅲπ（圆周率）6推理符号|a| ↂ△ⅶⅺⅻↅↆ±ↈↇⅰⅬⅭⅮⅯ↖↗↘↙ⅷⅸⅹ&; §←↑→↓↔↕↖↗ΓΔΘΛΞΟΠΣΦΧΨΩαβγδεδεζηθικλμνπξζηυθχψωⅠ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻⅰ ⅱ ⅲ ⅳ ⅴ ⅵ ⅶ ⅷ ⅸ ⅹⅰⅱⅲ↚ⅳⅴⅵ↛ ⅶ↜ⅷⅸⅹⅺⅻⅼⅽⅾⅿↀↁↂↃↄ↝ↅↆↇↈ↞↟↉↊⊕↋↠℃指数0123：o123上述符号所表示的意义和读法（中英文参照）＋ plus 加号；正号－ minus 减号；负号± plus or minus 正负号× is multiplied by 乘号÷ is divided by 除号＝ is equal to 等于号ↅ is not equal to 不等于号ↆ is equivalent to 全等于号ↄ is approximately equal to 约等于Ↄ is approximately equal to 约等于号＜ is less than 小于号＞ is more than 大于号ↇ is less than or equal to 小于或等于ↈ is more than or equal to 大于或等于％ per cent 百分之…ⅵ infinity 无限大号ⅳ (square) root 平方根X squared X的平方X cubed X的立方ⅿ since; because 因为ⅾ hence 所以ⅶ angle 角 semicircle 半圆↋ circle 圆○ circumference 圆周△ triangle 三角形 perpendicular to 垂直于ⅻ intersection of 并，合集ⅺ union of 交，通集ⅼthe integral of …的积分ⅲ (sigma) summation of 总和° degree 度′ minute 分〃 second 秒＃number …号＠ at 单价下面是赠送的广告宣传方案不需要的朋友可以下载后编辑删除！！！！！广告宣传方案每个人在日常生活中都有意、无意的接受着广告的洗礼，继而有意或无意的购买、使用广告中的产品和服务。
数学符号读法大全(免费)
N的阶级大写小写英文注音国际音标注音中文注音Ααalpha alfa 阿耳法Ββbeta beta 贝塔Γγgamma gamma 伽马Γδdeta delta 德耳塔Δεepsilon epsilon 艾普西隆Εδzeta zeta 截塔Ζεeta eta 艾塔Θζtheta ζita西塔Ηηiota iota 约塔Κθkappa kappa 卡帕∧ιlambda lambda 兰姆达Μκmu miu 缪Νλnu niu 纽Ξμxi ksi 可塞Ονomicron omikron 奥密可戎∏πpi pai 派Ρξrho rou 柔∑ζsigma sigma 西格马Τηtau tau 套Υυupsilon jupsilon 衣普西隆Φθphi fai 斐Φχchi khai 喜Χψpsi psai 普西Ψωomega omiga 欧米伽符号表符号含义i -1的平方根f(x) 函数f在自变量x处的值sin(x) 在自变量x处的正弦函数值exp(x) 在自变量x处的指数函数值，常被写作exa^x a的x次方；有理数x由反函数定义ln x exp x 的反函数ax 同a^xlogba 以b为底a的对数；blogba = acos x 在自变量x处余弦函数的值tan x 其值等于sin x/cos xcot x 余切函数的值或cos x/sin xsec x 正割含数的值，其值等于1/cos xcsc x 余割函数的值，其值等于1/sin xasin x y，正弦函数反函数在x处的值，即x = sin y acos x y，余弦函数反函数在x处的值，即x = cos yatan x y，正切函数反函数在x处的值，即x = tan y acot x y，余切函数反函数在x处的值，即x = cot y asec x y，正割函数反函数在x处的值，即x = sec y acsc x y，余割函数反函数在x处的值，即x = csc yζ角度的一个标准符号，不注明均指弧度，尤其用于表示atan x/y，当x、y、z 用于表示空间中的点时i, j, k 分别表示x、y、z方向上的单位向量(a, b, c) 以a、b、c为元素的向量(a, b) 以a、b为元素的向量(a, b) a、b向量的点积a?b a、b向量的点积(a?b) a、b向量的点积|v| 向量v的模|x| 数x的绝对值Σ表示求和，通常是某项指数。
数学符号的中英文读法
section; division
分节号
→
arrow
箭号；参见号
＋
plus
加号；正号
－
minus
减号；负号
±
plus or minus
正负号
×
is multiplied by
乘号
÷
is divided by
除号
＝
is equal to
等于号
≠
is not equal to
不等于号
≡
is equivalent to
Ν
（纽）
Ξ
（可系）
Ο
（奥密克戎）
Π
（派）
Ρ
（若）
Σ
（西格马）
Τ
（套）
Υ
（英文或拉丁字母）
Φ
（斐）
Χ
（喜）
Ψ
（普西）
Ω
（欧米伽）
Mu
Ν ν： 拗
Nu
Ξ ξ： 克西
KeXi
Ο ο： 欧麦克轮 Omicron
∏ π： 派
Pi
Ρ ρ： 柔
Rho
∑ σ： 西格玛
Sigma
Τ τ： 套
Tau
Υ υ： 宇普西龙 Upsilon
Φ φ： fai
Phi
Χ χ： 器
Chi
Ψ ψ： 普赛
Psi
Ω ω： 欧米伽
Omega
希腊字母怎么打:打开 Office 文档之后，在你需要输入希腊字母的时候，先将输入法切换为
ω（欧米伽）。
更全面：
1 Α α alpha a:lf
阿尔法 角度系数
2 Β β beta bet
贝塔 磁通系数 角度系数
最全数学特殊符号大全
常用数学符号大全[标签：数学]1 几何符号⊥∥∠⌒⊙≡≌△2 代数符号∝∧∨～∫≠≤≥≈∞∶3运算符号×÷√±4集合符号∪∩∈5特殊符号∑π（圆周率）6推理符号|a| ⊥∽△∠∩∪≠≡±≥≤∈←↑→↓↖↗↘↙∥∧∨&; §①②③④⑤⑥⑦⑧⑨⑩ΓΔΘΛΞΟΠΣΦΧΨΩαβγδεζηθικλμνξοπρστυφχψωⅠ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻⅰ ⅱ ⅲ ⅳ ⅴ ⅵ ⅶ ⅷ ⅸ ⅹ∈∏∑∕√∝∞∟ ∠∣∥∧∨∩∪∫∮∴∵∶∷∽≈≌≒≠≡≤≥≦≧≮≯⊕⊙⊥⊿⌒℃指数0123：o123上述符号所表示的意义和读法（中英文参照）＋ plus 加号；正号－ minus 减号；负号± plus or minus 正负号× is multiplied by 乘号÷ is divided by 除号＝ is equal to 等于号≠ is not equal to 不等于号≡ is equivalent to 全等于号≌ is approximately equal to 约等于≈ is approximately equal to 约等于号＜ is less than 小于号＞ is more than 大于号≤ is less than or equal to 小于或等于≥ is more than or equal to 大于或等于％ per cent 百分之…∞ infinity 无限大号√ (square) root 平方根X squared X的平方X cubed X的立方∵ since; because 因为∴ hence 所以∠ angle 角⌒ semicircle 半圆⊙ circle 圆○ circumference 圆周△ triangle 三角形⊥ perpendicular to 垂直于∪ intersection of 并，合集∩ union of 交，通集∫the integral of …的积分∑ (sigma) summation of 总和° degree 度′ minute 分〃 second 秒＃number …号＠ at 单价首农礼品卡 NXYnHT8P8888。
新SAT数学符号解析 新SAT数学符号对应的中英文表示
新SAT数学考试中符号是同学们理解题目的关键，如果对不上号，那么一切都是白搭了，下面分享SAT数学中所有可能考到的符号及其中英文表示，还记不住的小伙伴们每天拿出来看几眼吧！符号+ plus加号；正号- minus减号；负号± plus or minus正负号× is multiplied by乘号÷ is divided by除号＝is equal to等于号≠ is not equal to不等于号≡ is equivalent to全等于号≌ is equal to orapproximately equalto等于或约等于号≈ is approximately equal to约等于号＜is less than小于号＞is greater than大于号≮ is not less than不小于号≯ is not more than不大于号≤ is less than or equal to小于或等于号≥ is more than or equal to大于或等于号% per cent百分之…‰ per mill千分之…∞ infinity无限大号∝ varies as与…成比例√ (square) root平方根∵ since; because因为∴ hence所以∷ equals, as(proportion)等于，成比例∠ 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/differentialof …的积/微分∑ (sigma) summation of总和° degree度′ minute分″ second秒℃ Celsius system摄氏度{ open brace, open curly左花括号} close brace, close curly右花括号( open parenthesis, open paren左圆括号) close parenthesis, close paren右圆括号() brackets/ parentheses括号[ open bracket 左方括号] close bracket 右方括号[] square brackets方括号| vertical bar, vertical virgule竖线& ampersand, and, reference, ref和，引用* asterisk, multiply, star, pointer星号，乘号，星，指针/ slash, divide, oblique 斜线，斜杠，除号// slash-slash, comment 双斜线，注释符# pound井号\ backslash, sometimes escape反斜线转义符，有时表示转义符或续行符~ tilde波浪符. period, dot, full stop句号, comma逗号: colon冒号; semicolon分号? question mark问号! exclamation mark (英式英语)exclamation point (美式英语)' apostrophe撇号- hyphen连字号-- dash 破折号... dots/ ellipsis省略号" single quotation marks 单引号"" doublequotation marks 双引号‖ parallel 双线号& ampersand = and～swung dash 代字号§ section; division 分节号→ arrow 箭号；参见号上海托福培训多少钱?这个问题是学生和家长在考虑培训学校时主要考虑的问题。
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+plus加号；正号
-minus减号；负号
±plus or minus正负号
×is multiplied by乘号
÷is divided by除号
＝is equal to等于号
≠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
＜is less than小于号
＞is greater than大于号
≮is not less than不小于号
≯is not more than不大于号
≤is less than or equal to小于或等于号
≥is more than or equal to大于或等于号
%per cent百分之…
‰per mill千分之…
∞infinity无限大号
∝varies as与…成比例
√(square) root平方根
∵since; because因为
∴hence所以
∷equals, as (proportion)等于，成比例∠angle角
≲semicircle半圆
≰circle圆
○circumference圆周
πpi 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
°degree度
′minute分
″second秒
℃Celsius system摄氏度
{open brace, open curly左花括号
}close brace, close curly右花括号(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
.period, dot句号，点
|vertical bar, vertical virgule竖线
&ersand, and, reference, ref和，引用
*asterisk, multiply, star, pointer星号，乘号，星，指针
/slash, divide, oblique 斜线，斜杠，除号
//slash-slash, comment 双斜线，注释符
#pound井号
\backslash, sometimes escape反斜线转义符，有时表示转义符或续行符
~tilde波浪符
.full stop句号
,comma逗号
:colon冒号
;semicolon分号
?question mark问号
!exclamation mark (英式英语) exclamation point (美式英语)
'apostrophe撇号
-hyphen连字号
-- dash 破折号
...dots/ ellipsis省略号"single quotation marks 单引号""double quotation marks 双引号‖parallel 双线号
&ersand = and
～swung dash 代字号
§section; division 分节号
→arrow 箭号；参见号。