常用数学符号及数学表达式的英语读法
数学运算符号英文读法
数学运算符号英文读法数学运算符号是数学中用于表示各种运算关系的符号。
它们在数学中有着广泛的应用，帮助我们简洁明了地表示复杂的数学表达式和计算过程。
以下是数学运算符号的英文读法：1. 加法符号“+”的英文读法是“plus”或“add”。
2. 减法符号“-”的英文读法是“minus”或“subtract”。
3. 乘法符号“×”的英文读法是“multiply”。
4. 除法符号“÷”的英文读法是“divide”。
5. 等于符号“=”的英文读法是“equal”或“equals”。
6. 不等于符号“≠”的英文读法是“not equal”或“does not equal”。
7. 大于符号“>”的英文读法是“greater than”或“greater than or equal to”。
8. 小于符号“<”的英文读法是“less than”或“less than or equal to”。
9. 大于等于符号“≥”的英文读法是“greater than or equal to”。
10. 小于等于符号“≤”的英文读法是“less than or equal to”。
11. 约等于符号“≈”的英文读法是“approximately equal to”或“almost equal to”。
12. 正无穷大符号“∞”的英文读法是“infinity”。
13. 负无穷大符号“−∞”的英文读法是“negative infinity”。
14. 平方根符号“√”的英文读法是“square root”。
15. 立方根符号“∛”的英文读法是“cubic root”。
16. 绝对值符号“|x|”的英文读法是“absolute value of x”。
17. 圆周率符号“π”的英文读法是“pi”。
18. 自然对数底数e的英文读法是“e”。
19. 无穷小符号“0”的英文读法是“zero”。
20. 正整数集符号N*或N+的英文读法是“the set of positive integers”。
专业英语中常用符号和数学表达式
那你就得了解各种数学名称了，比如“y分之x”是“x over y”，“x乘以y”是“x times y”，“除以”是“divided by”，加plus, 减minus；“x的y次方”是“x to the power of y”，“根”是“root”，几次跟就是几的英语序数形式，6次根=6th root。
1.(A的三次方+B的立方根-CXD的五次方)/E=F 读做:A cube plus the cube root ofB minusC multiplied by the 5th power of D, all divided by E equals F.2.(6+3+7/12-4.35X5)/(9*1/3) 读做: Six plus three and seven twelfths minus four decimal three five multiplied by fiv e, all divided by nine and a third.3. 基本术语：数学 mathematics 数字 number 双数 even number 单数 odd number 计算 calculate口算calculate mentally 笔算calculate using pen-and-paper 竖式vertical form 一位数1-digit number两位数2-digit number 文字题word problem 应用题story problem4、常用符号： ＋ plus、 － minus、 ＝ equal(s)、＞ is greater/more than、＜ is less than ( ) brackets5、加减法及各部分名称：加法 addition 加数 addend 和 sum 减法 subtraction被减数 minuend 减数 subtrahend 差 difference6、数位知识：数位表place value chart 个 Units/Ones 十 Tens 百 Hundreds7、图形名称：长方体 cuboid 正方体 cube 圆柱 cylinder球 sphere长方形 rectangle 正方形 square三角形 triangle 圆 circle边 side 角 angle 面 face专业英语中常用符号和数学表达式1．数的分类complex number 复数zero; naught;0 零real number 实数imaginary number 虚数relational number 有理数irrational number 无理数integer number 整数positive integer number 正整数natural number 自然数negative integer number 负整数fraction 分数decimal 小数odd number 奇数even number 偶数cardinal number 基数ordinal number 序数approximate number 近似数significant number 有效数2．整数addition 加法subtraction 减法addend 加数subtrahend 减数augend 被加数minuend 被减数plus sign 加号minus sign 减号sum 和difference（diffa）差plus; add; and; increase 加minus; decrease; subtract 减is; equal 等division 除法multiplication 乘法divide 除multiply; multiplied by; times 乘divisor 除数multiplier 乘数dividend 被除数multiplicand 被乘数quotient 商product 积remainder 余数positive 正negative 负3．小数和分数numerator 分子denominator 分母decimal point 小数点naught point four 零点四fraction stroke 分数线recurring decimal 循环小数4．百分数percent 百分比interest 利息average 平均数round off 舍入discount 折扣5．幂与指数power 幂; 乘方root-extracting 开方exponent 指数logarithms 对数X squared 某数的平方cube 三次方three cubed 三次方的four 乘四次方cube root 立方根square root 平方根to rise to the power of five 使乘五次方radical sign根号6．代数algebra 代数equation 等式; 方程式inequality 不等式unknown number 未知数absolute value绝对值simple equation 一次方程quadratic equation 二次方程cubic equation 三次方程monomial 单项式polynomial 多项式variable 变量coefficient 系数differential 微分integral 积分derivative 导数function 函数ratio 比proportion 比例sign of equality等号sign of inequality不等号interval 区间matrix 矩阵theorem 定理lemma 引理definition 定义7．常用数学表达式1/2a half; one halfl/3 a third; one third2/3 two thirds1/4 a quarter; one quarter; a fourth; one fourthl/100 a（one）hundredthl/1,000 a（one）thousandth113/324 one hundred and thirteen over three hundred and twenty-four four and two-thirdsforty-five and eighty-nine over twenty-three0.1 one tenth; point one0.01 one hundredth; point zero one0.001 one thousandth; point zero zero one; point two zero one 2050.0357 two thousand and fifty point zero three five seven0.25 zero point two fivepoint two five repetend fivezero point two five recurringzero point three seven twenty-five recurring对483579四舍五入到千位round off 483579 to nearest thousand 108 one followed by eighteen zeros-30.8 negative thirty point eight2-3i two minus three i; two minus three times i2％two per cent; two percent5‰ five per mill; five permill∞infinityx＋y＝zx plus y is z; add x to y is z; x and y is z(x＋y) bracket x plus y bracket closedx-y x minus y; subtract y from x; y from x; x subtracts yx±y x plus or minus yx×y; xy xy; multiply x by y; x multiplied by y; x by y; x times y;x÷ydivide x by y; y into xx over yx : y the ration of x to yx∝y x varies as y; x is in direct proportion to yx＝y x equals y; x is equal to y; x is yx≠y x is not equal to y; x is not yx≡y x is identical to y; x is equivalent to y; x is equivalent to y;x≈y x is approximately equal to y; x approximately equals yx＞y x is greater than y; x is more than yx>>y x is much greater than y; x is far greater than yx≥y x is greater than or equal to yx＜y x is less than yx<<y x is much less than yx≤y x is less than or equal to y0＜x＜1 zero is less than x is less than 1; x is greater than zero and less than 1 0≤x≤1 zero is less than or equal to x is less than or equal to 1x2 x square; x squared; the square of x;the second power of x; x to second powerx3 x cube; x cubed; the cube of x;the third power of x; x to the third powerxn the nth power of x; x to the nth power; x to the power nthe square root of x; x squaredthe cube root of xthe nth root of xx-n x to the (power) minus n(x+y)2x plus y all squaredx over y all squaredx i x i; x subscript i; x suffix i; x sub ilognxlog x to the base n; log of x to the base nlog10x log x to base 10; common logarithmlogex; lnx log x to the base e; log to the base e of y; natural log (of) yex; exp(x) exponential function of x, e to the power xthe summation of x sub i, where i goes from 1 to n;the sum from i equals one to n x i;the sum as i runs from one to n of the x ithe product of x sub i, where i goes from one to nthe product of all x i from i equals one to nthe product of all xi from i equals one to infinitythe absolute value of x; mod x; modulus xthe mean value of x; x barx hatx tildex* x asteriskx primex double primex double prime sub mf(x) f x; f of x; the function f of xa function f from S to Tf¢(x) f prime x; f dash x; the (1st) derivative of f with respect to xf²(x) f double–prime x; f double–dash x; the second derivative of f with respect to x f¢²(x) f triple–prime x; f triple–dash x; the third derivative of f with respect to x f4(x) four x; the fourth derivative of f with respect to xx! n factorial△finite difference or increment△x,δx the increment of xdx dee x; dee of x; differential xdel; nablanth del (nabla)the differential coefficient of y with respect to x;the first derivative of y with respect of xthe second derivative of y with respect of xthe nth derivative of y with respect of xthe partial (derivative) of y with respect to uthe second partial (derivative) of y with respect to xthe partial derivation of z with respect to x of the partial derivative of z with respect to y ∫integral of∫∫double Integral of∫…∫n-fold integral ofthe integral between limits a and b; the integral from a to bthe indefinite integral of a times x with respect to xthe integral from a to b of function of xthe double integral of f of x,ythe limit as x approaches 0the limit as x approaches 0 from abovethe limit as x approaches 0 from belowthere existsfor all∵because∴thereforex⊥y x is perpendicular to yx∥y x is parallel to yx～y the difference between x and yx∝y x varies directly as yxÞy x implies y; if x, then yxÛy x if and only if y; x is equivalent to y; x and y are equivalent { };empty setxÎA x belongs to A; x is an element (or a member) of AxÏA x does not belong to A; x is not an element (or a member) of AAÌB A is contained in B; A is a subset of BAÉB A contains B;B is a subset of AAÇB A cap B; A meet B; A intersection BAÈB A cup B; A join B; A union BA\B A minus B; the difference between A and BA×B A cross B; the Cartesian product of A and B(A与B的笛卡尔积)||A||the norm (or modulus) of Avector FAB; the length of the segment ABAT A transpose; the transpose of AA-1 A inverse; the inverse of Ax→y x maps into y; x is sent (or mapped) to yx→∞x approaches infinity∠xangle xx is perpendicular to yx is parallel to ysin sinecos cosinetg, tan tangentctg, cot cotangentsc, sec secantcsc, cosec cosecantsin-1, arcsin arc sinecos-1, arcos arc cosinesinh the hyperbolic sinecosh the hyperbolic cosine( ) round brackets; parentheses ;the signs of grouping [ ] square（angular）brackets; bracket< > angle bracket{} braces8．常用希腊字母字母读音字母读音字母读音alphabeta ,gamaxi ,psideltaepsilonzeta ,phiomegalambdamnnuetarho,sigmataupi9．其他数学名词line 线angle 角intersecting line 相交线parallel line 平行线triangle 三角形quadrilateral 四边形rectangle 矩形lozenge 菱形square正方形polygon多边形circle圆arc弧perimeter周长area面积diameter直径volume体积10．具体读法实例y=f(x) y is a function of x6×5＝30 six times (multiplied by) five equals (is equal to) thirty(x-y)(x+y) x minus y; x plus ythe fifth root of x squarey-10 y to the minus tenth (power)20 : 5＝16 : 4 the ratio of 20 to 5 equals the ration of 16 to 4 (20 is to 5 as 16 is to 4) e=1.6×10-19 e equals one point multiplied by ten to minus nineteenth power10-n ten to the minus none over n squareone over one minus n times z reversef(x)=ax2+bx+c the function of x equals a times the square of x plus b times x plus c |a|=b the absolute value of a equals that of bmax f(x) the maximum value of f(x)min f(x) the minimum value of f(x)∞ a sub n approaches / tends to infinity◊anthe limit of Sn as n gets arbitrarily large is one thirdx to the fifth power plus A over (divided by) the quantity x squared plus B, to the two-thirds power (A+B)C the quantity A plus B times CA+B=C A plus B equals CA-B=C A minus B equals CA×B=C A multiplied by B equals CA/B=C A divided by B equals CA : B=C : D A is toB of A to B asC is to D11．数学问题求解的一般表示Solve the following system of equationsSolution: multiply equation (1) by (2) and getSubtract equation (2) from equation (4), and getSubtract equation (3) from equation (2), and getfrom equation (5) from equation (6),obtain x and y.。
常用的数学符号和公式的读法
y : partial derivative of y respect to x x
d2y dx2 : second derivative of y respect to x
n
Xi : summation of x sub i, where i goes from 1 to n
i1
n
Xi : product of x sub i, where i goes from 1 to n
精品资料
x x over y
y
x>y
x≥y x< y
xy 0<x<1 0x1
|x| x2 x3 x4
xn
x-n
x is greater than y
x is greater than or equal to y x is less than y
x is less than or equal to y zero is less an x is less than 1
精品资料
b
a f (x)dx : integral of the function of x,between the limits a and b : double integral of
: triple integral of
: n fold integral of
dy : derivative of y respect to x dx
f(x)
fx / f of x / the function f of x
f : S→T
a function f from S to T
x y
f(x)
x maps to y f prime x
数学符号和公式的英语读法
A⊃B A∪B
A×B
3. Real numbers x+1 x−1 xy x±1 (x − y )(x + y ) x y = x=5 x=5 x plus one x minus one x plus or minus one xy / x multiplied by y x minus y , x plus y x over y the equals sign x equals 5 / x is equal to 5 x (is) not equal to 5 1
5. Functions f (x) x→y f (x) f (x) f (x) f (4) (x) ∂f ∂x1 ∂2f ∂x2 1
∞ 0 x→0 x→+0 x→−0
f x / f of x / the function f of x a function f from S to T x maps to y / x is sent (or mapped) to y f prime x / f dash x / the (first) derivative of f with respect to x f double–prime x / f double–dash x / the second derivative of f with respect to x f triple–prime x / f triple–dash x / the third derivative of f with respect to x f four x / the fourth derivative of f with respect to x the partial (derivative) of f with respect to x1 the second partial (derivative) of f with respect to x1 the integral from zero to infinity the limit as x approaches zero the limit as x approaches zero from above the limit as x approaches zero from below log y to the base e / log to the base e of y / natural log (of) y log y to the base e / log to the base e of y / natural log (of) y
常见数学公式和符号的英文读法大全
5 Ε ε epsilon ep`silon 伊普西龙 对数之基数
6 Ζ ζ zeta zat 截塔 系数；方位角;阻抗；相对粘度；原子序数
7 Η η eta eit 艾塔 磁滞系数；效率（小写)
8 Θ θ thet θit 西塔 温度；相位角
○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
‖ parallel 双线号
～ swung dash 代字号
§ section； division 分节号
→ arrow 箭号；参见号
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
3 Γ γ gamma ga:m 伽马 电导系数（小写）
！ 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
常见数学公式和符号的英文读法大全
+ plus 加号；正号
各种数学符号和表达式的英文读法
各种数学符号和表达式的英文读法.txt52每个人都一条抛物线，天赋决定其开口，而最高点则需后天的努力。
没有秋日落叶的飘零，何来新春绿芽的饿明丽？只有懂得失去，才会重新拥有。
各种数学符号和表达式的英文读法一、一般符号对应的英文单词．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 quotat ion 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ªplus 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、公式的英语读法
数学符号和公式的英语读法如下：1.加号"+" 读作"plus"。
2.减号"-" 读作"minus"。
3.乘号"×" 读作"times"。
4.除号"÷" 读作"divided by"。
5.等号"=" 读作"equals"。
6.大于号">" 读作"greater than"。
7.小于号"<" 读作"less than"。
8.不等号"≠" 读作"not equal to"。
9.大于等于号"≥" 读作"greater than or equal to"。
10.小于等于号"≤" 读作"less than or equal to"。
11.约等于号"≈" 读作"approximately equals"。
12.百分号"%" 读作"percent"。
13.度数符号"°" 读作"degree"。
14.开方号"√" 读作"square root"。
15.正负号"±" 读作"plus or minus"。
16.正负平方根号"∛" 读作"cubed root"。
17.正负立方根号"∛" 读作"cubed root"。
英语数学公式、数字、符号的表达法
英语数学公式、数字、符号的表达法!轩治峰（商丘师范学院外语系商丘市!"#$$$）摘要本文主要解决理科专业英语和双语教学中英语算式、方程式、公式中的数字、符号、等式及公式的表达方法。
方法为查阅各种有关资料，收集其表达和读法。
通过查阅资料，本文记述了算术四则运算、分数、小数、比例、乘方、开方、对数、三角函数、集合、函数、几何、微积分等的符号、数字和公式的表达方法和读法，为科技英语教学和学习提供参考。
关键词数学符号算式公式表达法!"#$%&’$%&’()*(+,’+-.&/,(0(’*/,.+-/12+)..&’’3(*’,,/+1,+-.&’,456+7,，,/81,，0121)56’*,+-50.&’50./9,/1:187/,&.’09&/18;%&’0).&+*&0,8+1’.&*+)8&.&’<0*/+),=/12,+-.’3.6++=,+150.&’> 50./9,，,)9&0,0*/.&5’./9，8’+5’.*4，078’6*0，9079)7),，-)19./+1,012+.&’**’-’*’19’6++=,0129+77’9.’2 077.4(’,+-’3(*’,,/+1,，0,?’770,(*+1)19/0./+1,，+-,456+7,，,/81,0121)56’*,/1.&’’@)0./+1,+-50.&>’50./9,012+.&’*,9/’19’,，/1&+(’+-+--’*/18,+5’&’7(.+7’0*1/18012.’09&/18:187/,&/150.&’50./9,+* ,9/’1./-/9:187/,&;()*+,%-#50.&’50./9,,456+7,012,/81,’@)0./+1,-+*5)70’3(*’,,/+1,在大学中，越来越多的学科在尝试英汉双语教学，高年级大学英语也朝专业英语方向发展，而且，在理科学科中，数学、物理等课程中的算式、方程式以及公式是最基本的表达形式。
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0.01 + = { } log n x log 10 x log e x O point O one ; zero point zero one; nought point nought one a third; one third minus; negative plus or minus multiplied by; times divided by is equal to; equals is identically equal to is approximately equal to; approximately equals round brackets; parentheses square brackets; angular brackets braces intersection union is equivalent to therefore because log x to the base n log x to the base 10 (common logarithm) log x to the base e (natural logarithm) the nth power of x; x to the power n
y 10
y to the minus tenth(power) the square root of 4 is plus or minus 2 the cubic root of a the fifth root of x square
Vt V t
4 2
3
a
x2
5
a
a equals V sub t minus V over [divided by] t a plus b minus c multiplied by d, all divided by e equals f
b
a
F
x+y (a+b) a=b a b ab ab a>b a>> ab a<b ab a<<b x= a a||b s=vt s v t
双语班教学辅助资料
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常用数学符号及数学表达式的读法
x2
x square; x squared. The square of x; the second power of x; x to the second power
f(x) y=f(x) dx dy dx
d2y dx 2 dny dx n
y xLeabharlann the nth derivative of y with respect to x the partial derivative of y with respect to x integral integral between limits a and b infinity vector F x plus y bracket a plus b bracket closed a equals b; a is equal to b; a is b a is not equal to b; a is not b a plus or minus b a is approximately equal to b a is greater than b a is much greater than b a is greater than or equal to b a is less than b a is less than or equal to b a is much less than b x approaches infinity angle a a is parallel to b s equals [is equal to] v multiplied by t; s equals v times t v equals s divide by t; v is s over t
5 2 25
the second power of 5 is 25; 5 square is 25; the square of 5 is 25; 5 to the second power is equal to 25
y3
y cube; y cubed; the cube of y; y to the third power; y to the third
sin 1 x
x a
|x| x b’ b’’ b’’’ b1 bm
x
双语班教学辅助资料
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常用数学符号及数学表达式的读法
x
'' bm
x two dots b double prime sub m function f of x y is a function of x dee of x; dee x; differential x the first derivative of y with respect to x; dee y dee x the second derivative of y with respect to x
n
xn
x ,
xa
1 n
x
the nth root of x, x to the power one over n x approaches the limit a arc sine of x x approaches the limit a summation of; sigma the absolute value of x x bar b prime b double prime b triple prime b sub one b sub m x dot
(a b c d ) e f
5% 5%o
five per cent five per mille
双语班教学辅助资料
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