1、数学公式的英文读法&数学英文词汇 1、Logicthere existfor allpq implies / if , then pqpq if and only if / is equivalent to / and are equivalentpq2、SetsxAbelongs to / is an element (or a member) of xAxA does not belong to / is not an element (or a member) of B is contained in / is a subset of BB contains / is a subset
2、of A cap / meet / intersection AA cup / join / union B minus / the diference between and BB cross / the cartesian product of and 3、Real numbers1xplus onex minus one plus or minus onexy / multiplied by xyy() minus , plus xxy over / is divided by xyythe equals sign5x equals 5 / is equal to 5x (is) not
3、 equal to 5y is equivalent to (or identical with) yx is not equivalent to (or identical with) x is greater than yxy is greater than or equal to xy is less than y is less than or equal to 01xzero is less than is less than 1xzero is less than or equal to is less than or equal to 1mod / modulus 2x squa
4、red / (raised) to the power 2x3 cubed4x to the fourth / to the power fourxxn to the nth / to the power nx to the (power) minus x(square) root / the square root of x3xcube root (of) x4fourth root (of) nxnth root (of) x2()y plus all squaredyx over all squaredx!n factorialnx hatxbar tildeix / subscript
5、 / suffix / sub xiixii1niathe sum from equals one to / the sum as runs from 1 to of the nainai4、Linear algebraxthe norm (or modulus) of xOA / vector OA/ the length of the segment OAT transpose / the transpose of 1A inverse / the inverse of A5、Functions()fx / of / the function of fxfx:STa function fr
6、om to fSTxy maps to / is sent (or mapped) to xyxy()f prime / dash / the (first) derivative of with respect to ff fxx double-prime / double-dash / the second derivative of with xfxfrespect to ()ftriple-prime / triple-dash / the third derivative of with respect f fto x(4)fx four / the fourth derivativ
7、e of with respect to f fx1the partial (derivative) of with respect to f121fxthe second partial (derivative) of with respect to f1x0the integral from zero to infinitylimxthe limit as approaches zerox0the limit as approaches zero from abovelixthe limit as approaches zero from belowxeoglnylog to the ba
8、se / log to the base of / natural log (of) yeeyy一般词汇 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.), su
9、btraction(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
10、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, signi
11、ficance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,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
12、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次方nthe power of , the nth powern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次方根nthe root of , the nth rootn集合 aggreg
13、ate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 infinitesim
14、al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
15、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直角边 leg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
