数学专业术语

倒数（reciprocal）per capita每人multiple倍数2^5=the fifth power of 2 multiply乘multiplier乘数product乘积natural number自然数mark up涨价mark down降价margin利润depreciation折旧compoud interest复利arm直角三角形的股hypotenuse直角三角形斜边lag直角三角形的股median of a triangle三角形中线intersect相交exterior angle外角interior angle内角complementary angles余角supplementary angles补角vertex angle顶角vertical angle对顶角angle bisector角平分线equilateral triangle等边三角形isosceles triangle等腰三角形scalene triangle不等边三角形congruent全等的rectangle长方形length 长both length两个长边width 宽

rectangle prism长方体trapezoid梯形rhombus菱形diagonal对角线perimeter周长segment线段polygon多边形regular polygon正多边形parallelogram平行四边形quadrilateral四边形-agon -边形*常用tetragon四边形*pentagon五边形*hexagon六边形heptagon七边形*octagon八边形abscissa横坐标ordinate纵坐标quadrant象限coordinate坐标slope斜率intercede截距(有正负之分) solution（方程的）解arithmetic progression等差数列（等差级数）common divisor公约数common factor公因子least common multiple最小公倍数composite number合数prime factor质因子prime number质数factor因数consecutive integer连续的整数set集合sequence数列tenths’ digit十分位tenth十分位units’ digit个位whole number整数3-digit number三位数denominator分母numerator分子dividend被除数divided evenly被整除divisible可整除的divisor除数quotient商remainder余数round四舍五入fraction分数geometric progression等比数列improper fraction假分数proper fraction真分数increase by增加了increase to增加到integer整数in terms of ..用。。表达irrational无礼数enneagon=nonagon九变形

*decagon十变形hendecagon=undecagon十一边形dodecagon十二边形quindecagon十五边形chord弦radian弧度circumscribe外切，外接inscribe内切，内接concentric circle同心圆cone圆锥（体积=1/3PI*R*R*H）-hedron -面体hexahedron六面体quadrihedron四面体=三角锥volume体积pyramid角锥cube立方数/立方体cylinder圆柱体sphere 球体

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