英语数学符号
数学表达式符号英语表达
Two and three make five．
Two and three equals five．
数学符号及运算英语表达方法
2. “减”用 minus或 take from表示 10－6＝? How much is ten minus six? 10-6=4 Ten minus six is four． Take six from ten is four. Six (taken) from ten is four．
数学符号及运算英语表达方法
1. “加”用plus，and表示；“等于”用is，make， equal等词表示。
2+3=?
How much is two plus three?
2+3=5
Two plus three is equal to five．
数学符号及运算英语表达方法
6. 小数 小数点左边的数通常按基数词读，若为三
位以上的数，也可按编码式读法读出， 即将数字单个读出；小数点右边的数通 常按编码式读法单个读出。如： 6.86 six point eight six 14.15 fourteen point one five 345.456 three four five point four five six 或 three hundred and forty－five point
数学符号及运算英语表达方法
6. 小数 小数中“0”的读法： “0”在小数中通常读作nought（英）或zero
（美），也可读作字母o。如： 0.08 （nought）point nought eight 或 （zero）point zero eight 9.07 nine point o seven
常用希腊字母、数学符号的写法和读法
常用希腊字母、数学符号的写法和读法希腊字母1、Α α alpha a:lf 阿尔法角度；系数Α α：阿尔法Alpha2、Β β beta bet 贝塔磁通系数；角度；系数Β β：贝塔Beta3、Γ γ gamma ga:m 伽马电导系数（小写）Γγ：伽玛Gamma4、Δ δ delta delt 德尔塔变动；密度；屈光度Δ δ：德尔塔Delte5、Ε ε epsilon ep`silon 伊普西龙对数之基数Ε ε：艾普西龙Epsilon6、Ζ ζ zeta zat 截塔系数；方位角；阻抗；相对粘度；原子序数ζ ：捷塔Zeta7、Η η eta eit 艾塔磁滞系数；效率（小写）η：依塔Eta8、Θ θ thet θit 西塔温度；相位角Θ θ：西塔Theta9、Ι ι iot aiot 约塔微小，一点儿Ιι：艾欧塔Iota10 、Κ κ kappa kap 卡帕介质常数Κ κ：喀帕Kappa11 、∧λ lambda lambd 兰布达波长（小写）；体积Λλ：拉姆达Lambda12 、Μ μ mu mju 缪磁导系数；微（千分之一）；放大因数（小写）Μμ：缪Mu13 、Ν ν nu nju 纽磁阻系数Νν：拗Nu14 、Ξ ξ xi ksi 克西Ξξ：克西Xi15 、Ο ο omicron omik`ron 奥密克戎Οο：欧麦克轮Omicron16 、∏ π pi pai 派圆周率=圆周÷直径=3.1416 Ππ：派Pi17 、Ρ ρ rho rou 肉电阻系数（小写）Ρρ：柔Rho18 、∑ σ sigma `sigma 西格马总和（大写），表面密度；跨导（小写）Σσ：西格玛Sigma19 、Τ τ tau tau 套时间常数Ττ：套Tau20 、Υ υ upsilon jup`silon 宇普西龙位移Υυ：宇普西龙Upsilon21 、Φ φ phi fai 佛爱磁通；角Φφ：fai Phi22 、Χ χ chi phai 西Χχ：器Chi23 、Ψ ψ psi psai 普西角速；介质电通量（静电力线）；角Ψψ：普赛Psi24 、Ω ω omega o`miga 欧米伽欧姆（大写）；角速（小写）；角Ω ω：欧米伽Omega 键盘符号的英文读法` backquote 反引号~ tilde! exclam@ at# numbersign,英语国家是hash，美语是pound,音乐里作sharp,如C#$ dollar% percent^ caret& ampersand* asterisk,star(美语),数学公式中作multiply( parenleft,opening parentheses) parenright,closing paretheses- minus;hyphen连字符,不读_ underscore+ plus= equal[ bracketleft,opening bracket] bracketright,closing bracket{ braceleft} braceright; semicolon: colon' quote" doublequote/ slash\ backslash 反斜杠| bar, comma< less> greater. periodquestionspace 空格下面是一些特殊符号的英文读法,主要是数学符号＜is less than＞is more than≮is not less than≯is not more than≤is less than or equal to 小于或等于号- hyphen 连字符≥is more than or equal to 大于或等于号' apostrophe 省略号,英文中省略字符用的撇号;所有格符号％percent－dash 破折号‰per mille∞infinity 无限大号∝varies as 与…成比例( ) parentheses 圆括号√(square) root 平方根[ ] square brackets 方括号∵since; because 因为《》French quotes 法文引号;书名号∴hence 所以…ellipsis 省略号∷equals, as (proportion) 等于，成比例¨tandem colon 双点号∠angle 角∶ditto 双点号⌒semicircle 半圆‖parallel 双线号⊙circle 圆／virgule 斜线号○circumference 圆周～swung dash 代字号△triangle 三角形§section; division 分节号⊥perpendicular to 垂直于→arrow 箭号；参见号∪union of 并，合集∩intersection of 交，通集∫the integral of …的积分±plus or minus 正负号∑summation of 总和×is multiplied by 乘号°degree 度÷is divided by 除号′minute 分″second 秒≠is not equal to 不等于号≡is equivalent to 全等于号℃Celsius degree 摄氏度≌is equal to or approximately equal to 等于或约等于号一些符号的读法+ 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 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 mor e 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/ 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& ampersand = and～swung dash 代字号§ section; division 分节号→ arrow 箭号；参见号_ underscore 下划线。
常用数学符号英文对照
than or equal to y ( ) parentheses calculate expression2 ×(3+5) = 16inside first[ ] brackets calculate expression[(1+2)×(1+5)] = 18inside first+ plus sign addition 1 + 1 = 2−minus sign subtraction 2 −1 = 1±plus - minus both plus and minus3 ±5 = 8 and -2operations±minus - plus both minus and plus3 ±5 = -2 and 8operations* asterisk multiplication 2 * 3 = 6×times sign multiplication 2 ×3 = 6 ·multiplicationmultiplication 2 ·3 = 6dot÷division sign /division 6 ÷2 = 3 obelus/ 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= 83√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 = 0.0003 ppb per-billion1ppb =1/100000000010ppb ×30 = 3×10-7ppt per-trillion 1ppt = 10-1210ppt ×30 = 3×10-10 Geometry symbolsSymbol Symbol Name Meaning / definition Example ∠angle formed by two rays ∠ABC = 30°measuredangleABC = 30°spherical angle AOB = 30°∟right angle = 90°α= 90°deg degree 1 turn = 360deg α= 60deg ′prime arcminute, 1°= 60′α= 60°59′α= 60°59′″double prime arcsecond, 1′= 60″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~ ∆XYZΔABC≅ΔΔtriangle triangle shapeBCD|x-y| distance distance between points x and y | x-y | = 5πpi constant π = 3.141592654...c = π·d =is the ratio between the circumference andin range ofseries∑∑sigma doublesummation∏capital pi product -product of allvalues in rangeof series∏ x i=x1·x2·...·x ne e constant / Euler's numbere =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 thecircumferenceand diameter 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⊗Binner 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)ji A†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) = 3Probability and statistics symbols Symbol Symbol Name Meaning / definition Example P(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 B occuredP(A | B) = 0.3f (x) probabilitydensity function(pdf)P(a ≤ x ≤ b) = ∫f (x) dxF(x) cumulativedistributionfunction (cdf)F(x) = P(X≤ x)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 of populationvaluesσ2 = 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 of randomvariables X and Ycov(X,Y) = 4corr(X,Y) correlation correlation of randomvariables X and Ycorr(X,Y) = 0.6ρX,Y correlation correlation of randomvariables X and YρX,Y = 0.6∑summation summation - sum of all values in range of series∑∑doublesummationdouble summationMo mode value that occurs most frequently in populationMR mid-range MR = (x max+x min)/2 Md sample median half the population isbelow this valueQ1lower / firstquartile 25% of population are below this valueQ2median / secondquartile 50% of population are below this value = median of samplesQ3upper / thirdquartile 75% of population are below this valuex sample mean average / arithmeticmeanx = (2+5+9) / 3 = 5.333s2sample variance population samplesvariance estimators2 = 4s sample standarddeviation population samples standard deviation estimators = 2z x standard score z x = (x-x) / s xX ~ distribution of X distribution of randomvariable XX ~ N(0,3)N(μ,σ2) normaldistributiongaussian distribution X ~ N(0,3)U(a,b) uniformdistribution equal probability inrange a,bX ~ U(0,3)exp(λ) exponentialdistributionf (x) = λe-λx , x≥0gamma(c,λ) gammadistributionf (x) = λc x c-1e-λx /Γ(c), x≥0χ 2(k) chi-squaredistributionf (x) = x k/2-1e-x/2 /( 2k/2 Γ(k/2) )F (k1, k2) F distributionBin(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-geometricdistributionBern(p) BernoullidistributionCombinatorics 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)! = 60n C kcombination 5C3 = 5!/[3!(5-3)!]=10Set theory symbolsSymbol Symbol Name Meaning / definition Example { } set a collection of elementsA = {3,7,9,14},B = {9,14,28}A ∩B intersection objects that belong to set A andset BA ∩B = {9,14}A ∪B union objects that belong to set A orset BA ∪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 / strictsubsetsubset has fewer elements thanthe set{9,14} ⊂{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 orequal to the set B{9,14,28} ⊇{9,14,28}A ⊃B proper superset / strictsupersetset A has more elements thanset B{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 Apower set all subsets of AA =B equality both sets have the samemembersA={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 notto BA = {3,9,14},B = {1,2,3},A-B = {9,14}A -B relative complement objects that belong to A and notto BA = {3,9,14},B = {1,2,3},A-B = {9,14}A ∆B symmetric difference objects that belong to A or Bbut not 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 Bbut not 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 membershipA={3,9,14}, 1∉ A (a,b) ordered pair collection of 2 elementsA×B cartesian product set of all ordered pairs from Aand B|A| cardinality the number of elements of set AA={3,9,14},|A|=3#A cardinality the number of elements of set AA={3,9,14},#A=3aleph-null infinite cardinality of natural numbers setaleph-one cardinality of countable ordinal numbers setØempty set Ø = { } C = {Ø} universal set set of all possible values0natural numbers / wholenumbers set (withzero)= {0,1,2,3,4,...} 0 ∈01natural numbers / wholenumbers set (without 1= {1,2,3,4,5,...} 6 ∈1zero)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∈= {z | z=a+bi, -∞<a<6+2i∈complex numbers set∞, -∞<b<∞}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~ 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 smallnumber, near zeroε→0e e constant /Euler's number e = 2.718281828...e = lim (1+1/x)x ,x→∞y ' derivative derivative - Lagrange'snotation(3x3)' = 9x2y(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 /line integral∯closed surface integral∰closed volume integral[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* complexconjugatez = a+bi→z*=a-bi z* = 3 - 2iz complexconjugatez = a+bi→z = a-bi z = 3 - 2i∇nabla / del gradient / divergenceoperator∇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。
英语听力速记符号
英语听力速记符号一、字母和缩写1. A - 代表“always” 总是2. B - 代表“because” 因为3. C - 代表“can’t” 不能4. D - 代表“don’t” 不要5. E - 代表“everything” 每件事6. F - 代表“friend” 朋友7. G - 代表“goodbye” 再见8. I - 代表“if” 如果9. J - 代表“just” 只是10. K - 代表“known” 知道二、数字和数学符号1. # - 代表“number” 数字2. × - 代表“multiply” 乘法3. / - 代表“divide” 除法4. + - 代表“plus” 加法5. - - 代表“minus” 减法6. < - 代表“less than” 小于7. > - 代表“greater than” 大于8. = - 代表“equals” 等于9. ( - 代表“open parenthesis” 开括号10. ) - 代表“close parenthesis” 闭括号三、标点和符号1. , - 代表“comma” 逗号2. . - 代表“period” 句号3. ? - 代表“question mark” 问号4. ! - 代表“exclamation mark” 感叹号5. ; - 代表“semicolon” 分号6. " - 代表“quotation marks” 双引号或单引号7. ' - 同上，也是引号的意思8. : - 同上，也是引号的意思9. & - 代表“and” 和10. * - 代表“star” 星号或乘号的意思四、图像和图形1. @ - 可以代表“at the” 在某处或某个时间点前2. @@ - 可以代表重复前一个符号或单词3. ~ - 可以代表“wave” 波浪形状，也可以表示声音的延长。
字母符号中英文、罗马数字对照
字母符号中英文，罗马数字对照一、键盘符号释义：` backquote 反引号~ tilde 波浪符! Exclam 感叹号@ at 单价# numbersign井号英语是hash，美语是pound,音乐里是sharp$ dollar 美元币值符号% percent 百分号^ caret 弧形号& ampersand 和，与，引用* asterisk,star 星号,数学公式读作multiply( parenleft,opening parentheses 左扩符号) parenright,closing paretheses 右扩符号- minus;hyphen连字符,不读_ underscore 减号+ plus 加号= equal 等号[ bracketleft,opening bracket 左方括号] bracketright,closing bracket 右方括号{ braceleft 左花括号} braceright 右花括号; semicolon 分号: colon 冒号' quote 逗号" doublequote 引号/ slash 斜线，除号backslash 反斜杠| bar 分竖线, comma 分隔符号< less 小于号> greater 大于号. Period 句号，点? Question 问号space 空格二、数学符号释义：+ 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 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 百分号‰ per mill 千分号∞ infinity 无限大号∝ varies as 与…成比例号√ (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，于，引用/ 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 叹号' apostrophe 撇号- hyphen 连字号-- dash 破折号... dots/ ellipsis 省略号" single quotation marks 引号"" double quotation marks 双引号‖ parallel 双线号，分隔号～ swung dash 代字号§ section; division 分节号→ arrow 箭号；参见号_ underscore 下划线三、罗马、阿拉伯数字、英语对照释义：I 1 one 1st the firstII 2 two 2nd the secondIII 3 three 3rd the thirdIV 4 four 4th the fourthV 5 five 5th the fifthVI 6 six 6th the sixthVII 7 seven 7th the seventhVIII 8 eight 8th the eighthIX 9 nine 9th the ninthX 10 ten 10th the tenthXI 11 eleven 11th the eleventhXII 12 twelve 12th the twelfthXIII 13 thirteen 13th the thirteenth XIV 14 fourteen 14th the fourteenth XV 15 fifteen 15th the fifteenth XVI 16 sixteen 16th the sixteenth XVII 17 seventeen 17th the seventeenth XVIII 18 eighteen 18th the eighteenth XIX 19 nineteen 19th the nineteenthXX 20 twenty 20th the twentiethXXI 21 twenty-one 21st the twenty-firstXXV 25 twenty-five 25th the twenty-fifthXXX 30 thirty 30th the thirtiethXL 40 forty 40th the fortiethL 50 fifty 50th the fiftiethLX 60 sixty 60th the sixtiethLXX 70 seventy 70th the seventiethLXXX 80 eighty 80th the eightiethXC 90 ninety 90th the ninetiethIC 99 ninety-nine 99th the ninety-ninthC 100 one hundred 100th the hundredth罗马数字记数方法和规则：I（1） V (5) X (10) L (50) C (100) D (500) M (1000) 组数规则：左减右加。
各种数学符号的英文读法
x’ 读作x primex'’ 读作x double prime or x second prime x’’’ 读作x triple prime点：dot/: slash.\: backslashPunctuation marksapostrophe ( ' ) ( ’ )brackets ( ( ) ) ( [ ] ) ( { } ) ( 〈〉 )colon ( : )comma ( , )dashes ( ‒ ) ( – ) ( — ) ( — )ellipsis ( … ) ( ... )exclamation mark ( ! )full stop/period ( . )hyphen ( - ) ( ‐ )interrobang ( ‽ )question mark ( ? )quotation marks ( ‘ ’ ) ( “ ” )semicolon ( ; )slash/solidus ( / )space ( ) and interpunct ( • )Other typographer's marksampersand ( & )asterisk ( * ) and asterism ( ⁂ )at ( @ )backslash ( \ )bullet ( •, more )dagger ( † ‡ )degrees ( ° )number sign ( # )prime ( ′ )tilde ( ~ )underscore ( _ )vertical bar/pipe ( | )+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 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；参见号符号的英文读法．period 句号≈ is approximately equal to 约等于号，comma 逗号＜is less than 小于号：colon 冒号＞is more than 大于号；semicolon 分号≮ is not less than 不小于号！exclamation 惊叹号≯ is not more than 不大于号？question mark 问号≤ is less than or equal to 小于或等于号￣hyphen 连字符≥ is more than or equal to 大于或等于号' apostrophe 省略号；所有格符号％per cent 百分之…- dash 破折号‰ per mill 千分之…' ' single quotation marks 单引号∞ infinity 无限大号double quotation marks 双引号∝ varies as 与…成比例( ) parentheses 圆括号√ (square) root 平方根[ ] square brackets 方括号∵ since; because 因为《》French quotes 法文引号;书名号∴ hence 所以... ellipsis 省略号∷ equals, as (proportion) 等于，成比例¨ tandem colon 双点号∠ angle 角ditto 双点号⌒ semicircle 半圆‖ parallel 双线号⊙ circle 圆／virgule 斜线号○ circumference 圆周＆ampersand = andπ pi 圆周率～swung dash 代字号△ triangle 三角形§ section; division 分节号⊥ perpendicular to 垂直于→ arrow 箭号；参见号∪ union of 并，合集＋plus 加号；正号∩ intersection of 交，通集－minus 减号；负号∫ the integral of …的积分± plus or minus 正负号( ∑ sigma) summation of 总和× is multiplied by 乘号° degree 度÷ is divided by 除号′ minute 分＝is equal to 等于号″ second 秒≠ is not equal to 不等于号＃number …号≡ is equivalent to 全等于号℃ Celsius system 摄氏度≌ is equal to or approximately equal to 等于或约等于号＠at 单价R’ R primeR” R double prime, R second primeR1 R sub one100° C one hundred degrees Centigrade+ plus; positive- minus; negative´ multiplied by; times¸ divided by± plus or minus= is equal to; equalsº is identically equal to» is approximately equal to( ) round brackets; parentheses[ ] square brackets{ } bracesa＞＞b a is much greater than ba³ b a is greater than or equal to baµ b a varies directly as blognX logX to the base nthe cubic root of xthe nth root of xx2 x square, x squared, the square of xX n X to n factors; the nth power of x; x to the power nx -8 x to the minus eighth powerï xï the absolute value of xthe mean value of Xthe sum of the terms indicated; summation ofD x or d x the increment of xdx differential xdy/dx the first derivative of y with respect to xò integral¥ infinity1/2 a half; one half2/3 two thirds5/123 five over a hundred and twenty-threeeight and three over fourths; eight and three quarters0.01 O point O one; zero point zero one; nought point nought one6 % 6 percent3‰ 3 per mille2 :3 the ratio of two to threer=xd r equals x multiplied by d5´ 2=10 five times two equals tenx3/8=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二、一些函数关系的读法A与B的乘积the ___ product of A and B（___中填乘积的性质，例如外积就填outer，内积就填inner)A乘以B A times B or A is multiplied by BA/B A over B B分之A的最普通读法f(x) f of x 函数f(x)exp(n) e to powers of n e的n次幂。
希腊字符及数学符号读法
特殊符号的英文读法＜ is less than ＞ is more than≤ is not less than≥ is not more than≢ is less than or equal to 小于或等于号- hyphen 连字符≣ is more than or equal to 大于或等于号' apostrophe 省略号,英文中省略字符用的撇号;所有格符号％ percent－ dash 破折号‰ per mille∞ infinity 无限大号∝ varies as 与…成比例( ) parentheses 圆括号√ (square) root 平方根[ ] square brackets 方括号∵ since; because 因为《》 French quotes 法文引号;书名号∴ hence 所以… ellipsis 省略号∷ equals, as (proportion) 等于，成比例¨ tandem colon 双点号∟ angle 角∶ ditto 双点号≨ semicircle 半圆‖ parallel 双线号≦ circle圆／ virgule 斜线号○ circumference 圆周～ swung dash 代字号△ triangle 三角形§ section; division 分节号≧ perpendicular to 垂直于→ arrow 箭号；参见号∪ union of 并，合集∩ intersection of 交，通集∫ the integral of …的积分ª plus or minus 正负号∑ summation of 总和× is multipli ed by 乘号© degree 度÷ is divided by 除号′ minute 分″ second 秒≠ is not equal to 不等于号≡ is equivalent to 全等于号℃ Celsius degree 摄氏度≌ is equal to or approximately equal to 等于或约等于号计算机编成常用符号英语读音` backquote 反引号~ tilde! exclam@ at# numbersign,英语国家是hash，美语是pound,音乐里作sharp,如C# $ dollar% percent^ caret& ampersand* asterisk,star(美语),数学公式中作multiply( parenleft,opening parentheses) parenright,closing paretheses- minus;hyphen连字符,不读_ underscore+ plus= equal[ bracketleft,opening bracket] bracketright,closing bracket{ braceleft} braceright; semicolon: colon' quote" doublequote/ slash\ backslash 反斜杠| bar, comma< less> greater. period? questionspace 空格: plus(positive正的)－：minus（negative负的）*：multiplied by÷：divided by＝: be equal to≈ : be approximately equal to() : round brackets(parenthess)[] : square brackets{} : braces∵ : because∴ : therefore≢ : less than or equal to≣ ：greater than or equal to∞：infinity: logx to the base n: the nth power of xf(x) : the function of xdx : diffrencial of xx+y : x plus y(a+b) : bracket a plus b bracket closed a=b : a equals ba≠b：a isn't equal to ba>b : a is greater than ba>>b : a is much greater than ba≣b : a is greater than or equal to bx→∞ ：x approches infinity: x square: x cube: the square root of x数学公式的英文读法&数学英文词汇1. Logic∃there exist∀for allp⇒q p implies q / if p, then qp⇔q p if and only if q /p is equivalent to q / p and q are equivalent 2.Sets x∈A x belongs to A / x is an element (or a member) of Ax∉A x does not belong to A / x is not an element (or a member) ofA⊂B A is contained in B / A is a subset of BA⊃B A contains B / B is a subset of AA∩B A cap B / A meet B / A intersection BA∪B A cup B / A join B / A union BA\B A minus B / the diference between A and BA×B A cross B / the cartesian product of A and B3. Real numbersx+1 x plus onex-1 x minus onex±1 x plus or minus onexy xy / x multiplied by y(x - y)(x + y) x minus y, x plus yx y x over y= the equals signx = 5 x equals 5 / x is equal to 5x≠5 x (is) not equal to 5x≡y x is equivalent to (or identical with) yx ≡ y x is not equivalent to (or identical with) yx > y x is greater than yx≥y x is greater than or equal to yx < y x is less than yx≤y x is less than or equal to y0 < x < 1 zero is less than x is less than 10≤x≤1 zero is less than or equal to x is less than or equal to 1| x | mod x / modulus xx 2 x squared / x (raised) to the power 2x 3 x cubedx 4 x to the fourth / x to the power fourx n x to the nth / x to the power nx −n x to the (power) minus nx (square) root x / the square root of xx 3 cube root (of) xx 4 fourth root (of) xx n nth root (of) x( x+y ) 2 x plus y all squared( x y ) 2 x over y all squaredn! n factorial《现代英汉综合大辞典》4的阶乘读作the factorial of 4;《美国传统词典》，4 factorial, usually written 4!, is equal to 24 (1 ×2 ×3 ×4 = 24).x ^ x hatx ¯x barx ˜ x tildex i xi / x subscript i / x suffix i / x sub i∑ i=1 n a i the sum from i equals one to n a i / the sum as i runs from 1 to n of the a i4. Linear algebra‖x ‖the norm (or modulus) of xOA → OA / vector OAOA ¯OA / the length of the segment OAA T A transpose / the transpose of AA −1 A inverse / the inverse of A5. Functionsf( x ) fx / f of x / the function f of xf:S→T a function f fro m S to Tx→y x maps to y / x is sent (or mapped) to yf'( x ) f prime x / f dash x / the (first) derivative of f with respect to xf''( x ) f double-prime x / f double-dash x / the second derivative of f with respect to xf'''( x ) triple-prime x / f triple-dash x / the third derivative of f with respect to xf (4) ( x ) f four x / the fourth derivative of f with respect to x∂f ∂ x 1 the partial (derivative) of f with respect to x1∂ 2 f ∂ x 1 2 the second partial (derivative) of f with respect to x1∫ 0 ∞ the integral from zero to infinitylimx→0 the limit as x approaches zerolimx→ 0 + the limit as x approaches zero from abovelimx→ 0 − the limit as x approaches zero from belowlog e y log y to the base e / log to the base e of y / natural log (of) y lny log y to the base e / log to the base e of y / natural log (of) y数学mathematics, maths(BrE), math(AmE)公理axiom定理theorem计算calculation运算operation证明prove假设hypothesis, hypotheses(pl.)命题proposition算术arithmetic加plus(prep.), add(v.), addition(n.)被加数augend, summand加数addend和sum减minus(prep.), subtract(v.), subtraction(n.)被减数minuend减数subtrahend差remainder乘times(prep.), multiply(v.), multiplication(n.)被乘数multiplicand, faciend乘数multiplicator积product除divided by(prep.), divide(v.), division(n.)被除数dividend除数divisor商quotient等于equals, is equal to, is equivalent to大于is greater than小于is lesser than大于等于is equal or greater than小于等于is equal or lesser than运算符operator数字digit数number自然数natural number整数integer小数decimal小数点decimal point分数fraction分子numerator分母denominator比ratio正positive负negative零null, zero, nought, nil十进制decimal system二进制binary system十六进制hexadecimal system权weight, significance进位carry截尾truncation四舍五入round下舍入round down上舍入round up有效数字significant digit无效数字insignificant digit代数algebra公式formula, formulae(pl.)单项式monomial多项式polynomial, multinomial系数coefficient未知数unknown, x-factor, y-factor, z-factor 等式，方程式equation一次方程simple equation二次方程quadratic equation三次方程cubic equation四次方程quartic equation不等式inequation阶乘factorial对数logarithm指数，幂exponent乘方power二次方，平方square三次方，立方cube四次方the power of four, the fourth power n次方the power of n, the nth power开方evolution, extraction二次方根，平方根square root三次方根，立方根cube root四次方根the root of four, the fourth root n次方根the root of n, the nth root集合aggregate元素element空集void子集subset交集intersection并集union补集complement映射mapping函数function定义域domain, field of definition值域range常量constant变量variable单调性monotonicity奇偶性parity周期性periodicity图象image数列，级数series微积分calculus微分differential导数derivative极限limit无穷大infinite(a.) infinity(n.)无穷小infinitesimal积分integral定积分definite integral不定积分indefinite integral有理数rational number无理数irrational number实数real number虚数imaginary number复数complex number矩阵matrix行列式determinant几何geometry点point线line面plane体solid线段segment射线radial平行parallel相交intersect角angle角度degree弧度radian锐角acute angle直角right angle钝角obtuse angle平角straight angle周角perigon底base边side高height三角形triangle锐角三角形acute triangle直角三角形right triangle斜边hypotenuse勾股定理Pythagorean theorem钝角三角形obtuse triangle不等边三角形scalene triangle等腰三角形isosceles triangle等边三角形equilateral triangle四边形quadrilateral平行四边形parallelogram矩形rectangle长length宽width菱形rhomb, rhombus, rhombi(pl.), diamond 正方形square梯形trapezoid直角梯形right trapezoid等腰梯形isosceles trapezoid五边形pentagon六边形hexagon七边形heptagon八边形octagon九边形enneagon十边形decagon十一边形hendecagon十二边形dodecagon多边形polygon正多边形equilateral polygon圆circle圆心centre(BrE), center(AmE)半径radius直径diameter圆周率pi弧arc半圆semicircle扇形sector环ring椭圆ellipse圆周circumference周长perimeter面积area轨迹locus, loca(pl.)相似similar全等congruent四面体tetrahedron五面体pentahedron六面体hexahedron平行六面体parallelepiped 立方体cube七面体heptahedron八面体octahedron九面体enneahedron十面体decahedron十一面体hendecahedron 十二面体dodecahedron二十面体icosahedron多面体polyhedron棱锥pyramid棱柱prism棱台frustum of a prism旋转rotation轴axis圆锥cone圆柱cylinder圆台frustum of a cone球sphere半球hemisphere底面undersurface表面积surface area体积volume空间space坐标系coordinates坐标轴x-axis, y-axis, z-axis 横坐标x-coordinate纵坐标y-coordinate原点origin双曲线hyperbola抛物线parabola三角trigonometry正弦sine余弦cosine正切tangent余切cotangent正割secant余割cosecant反正弦arc sine反余弦arc cosine反正切arc tangent反余切arc cotangent反正割arc secant反余割arc cosecant相位phase周期period振幅amplitude内心incentre(BrE), incenter(AmE)外心excentre(BrE), excenter(AmE)旁心escentre(BrE), escenter(AmE)垂心orthocentre(BrE), orthocenter(AmE)重心barycentre(BrE), barycenter(AmE)内切圆inscribed circle外切圆circumcircle统计statistics平均数average加权平均数weighted average方差variance标准差root-mean-square deviation, standard deviation 比例propotion百分比percent百分点percentage百分位数percentile排列permutation组合combination概率，或然率probability分布distribution正态分布normal distribution非正态分布abnormal distribution图表graph条形统计图bar graph柱形统计图histogram折线统计图broken line graph 曲线统计图curve diagram扇形统计图pie diagram。
常见符号英文读法
( open parenthesis ) close parenthesis [ open bracket ] close bracket { open brace } close brace () parentheses 圆括号 [] square brackets 方括号
. dot 点 / slash // double slashes双斜线 ? question space 空格 ... ellipsis 省略号
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希腊字母读法 Greek Alphabet Pronunciation
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数学符号读法 Mathematical Symbol Pronunciation
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数学符号读法 Mathematical Symbol Pronunciation
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பைடு நூலகம்
数学符号读法 Mathematical Symbol Pronunciation
- hyphen连字符 _ underline下划线 -- dash 破折号 \ backslash 反斜杠 | vertical bar 竖线 ; semicolon 分号 : colon 冒号 ' quote 引号 " double quote 双引号 , comma 逗号
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常用符号读法 Commonly Used keyboard Symbol Pronunciation
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数学符号读法 Mathematical Symbol Pronunciation
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数学符号读法 Mathematical Symbol Pronunciation
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数学符号读法 Mathematical Symbol Pronunciation
英语中各种符号的读法
英语中各种符号的读法各种符号的英语文读法:'exclam'='!''at'='@''numbersign'='#''dollar'='$''percent'='%''caret'='^''ampersand'='&''asterisk'='*''parenleft'='(''parenright'=')''minus'='-''underscore'='_''equal'='=''plus'='+''bracketleft'='[''braceleft'='{''bracketright'=']''braceright'='}''semicolon'=';''colon'=':''quote'=''''doublequote'='"''backquote'=''''tilde'='~''backslash'='\''bar'='|''comma'=',''less'='<''period'='.''greater'='>''slash'='/''question'='?''space'=' '￣hyphen 连字符' apostrophe 省略号;所有格符号— dash 破折号… ‟single quotation marks 单引号“ ”double quotation marks 双引号( ) parentheses 圆括号[ ] square brackets 方括号Angle bracket{} Brace《》French quotes 法文引号;书名号... ellipsis 省略号¨ tandem colon 双点号" ditto 同上‖ parallel 双线号/ virgule 斜线号& ampersand = and~ swung dash 代字号§ 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 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 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# number …号℃ Celsius system 摄氏度@ at 单价x'是x prime(比如转置矩阵)x"是x double-prime` backquote 反引号~ tilde! exclam@ at# numbersign,英语国家是hash,美语是pound,音乐里作sharp,如C# $ dollar% percent^ caret& ampersand* asterisk,star(美语),数学公式中作multiply( parenleft,opening parentheses) parenright,closing paretheses- minus;hyphen连字符,不读_ underscore+ plus= equal[ bracketleft,opening bracket ] bracketright,closing bracket { braceleft} braceright; semicolon: colon' quote" doublequote/ slash\ backslash 反斜杠| bar, comma< less> greater. period? questionspace 空格下面是一些特殊符号的英文读法, 主要是数学符号> is more than≮ is not less than≯ is not more than≤ is less than or equal to 小于或等于号- hyphen 连字符≥ is more than or equal to 大于或等于号' apostrophe 省略号,英文中省略字符用的撇号;所有格符号% percent- dash 破折号‰ per mille∞ infinity 无限大号∝ varies as 与…成比例( ) parentheses 圆括号√ (square) root 平方根[ ] square brackets 方括号∵ since; because 因为《》French quotes 法文引号;书名号∴ hence 所以… ellipsis 省略号∷ equals, as (proportion) 等于,成比例¨ tandem colon 双点号∶ ditto 双点号≲semicircle 半圆‖ parallel 双线号⊙ circle 圆/ virgule 斜线号○ circumference 圆周~ swung dash 代字号△ triangle 三角形§ section; division 分节号⊥ perpendicular to 垂直于→ arrow 箭号;参见号∪ union of 并,合集∩ intersection of 交,通集∫ the integral of …的积分± plus or minus 正负号∑ summation of 总和× is multiplied by 乘号° degree 度÷ is divided by 除号′ minute 分〃second 秒≠ is not equal to 不等于号≡ is equivalent to 全等于号℃ Celsius degree 摄氏度≌ is equal to or approximately equal to 等于或约等于号．period 句号，comma 逗号：colon 冒号；semicolon 分号！exclamation 惊叹号question mark 问号￣hyphen 连字符'apostrophe 省略号；所有格符号—dash 破折号…‟single quotation marks 单引号“”double quotation marks 双引号( )parentheses 圆括号[ ]square brackets 方括号《》French quotes 法文引号；书名号...ellipsis 省略号¨tandem colon 双点号"ditto 同上‖parallel 平行／virgule 斜线号＆ampersand = and～swung dash 代字号§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 or cross 叉乘÷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 more than （is greater than在数学中更常用）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；另外normal to，right to也都有垂直的意思。
数学符号用英文怎么读
"+-"等数学符号用英语怎么读？ 符号的英文读法 period 句号 ≈ is approximately equal to 约等于号 , comma 逗号 ＜ is less than 小于号 ： colon 冒号 ＞ is more than 大于号 ； semicolon 分号 B ≮ is not less than 不小于号 ！ exclamation 惊叹号 ≯ is not more than 不大于号 ？ question mark 问号 ≤ is less than or equal to 小于或等于号 ≥ is more than or equal to 大于或等于号 ' apostrophe 省略号 ；所有格符号 ％ per cent 百分之… - dash 破折号 ‰ per mill 千分之… ' ' single quotation marks 单引号 ∞ infinity 无限大号 double quotation marks 双引号 ∝ varies as 与…成比例 ( parentheses 圆括号 √ (square root 平方根 [ ] square brackets 方括号 ∵ since; because 因为 《 》 French quotes 法文引号; 书名号 ∴ hence 所以 ... ellipsis 省略号 ∷ equals, as (proportion 等于，成比例 ¨ tandem colon 双点号 - ∠ angle 角 ditto 双点号 ≲ semicircle 半圆 ‖ parallel 双线号 ≰ circle 圆 ／ virgule 斜线号 ○ circumference 圆周 ＆ ampersand = and π pi 圆周率 ～ swung dash 代字号 △ triangle 三角形 § section; division 分节号 ≱ perpendicular to 垂直于 → arrow 箭号；参见号 ∪ union of 并，合集 ＋ plus 加号；正号 ∩ intersection of 交，通集 － minus 减号；负号 ∫ the integral of …的积分 ± plus or minus 正负号 ( ∑ sigma summation of 总和 × is multiplied by 乘号 ° degree 度 ÷ is divided by 除号 ′ minute 分 ＝ is equal to 等于号 ″ second 秒 ≠ is not equal to 不等于号 ＃ number …号 ≡ is equivalent to 全等于号 ℃ Celsius system 摄氏度 ≌ is equal to or approximately equal to 等于或约等于号 ＠ at 单价
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英语数学符号
+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 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。