- error n.错误，过失，误差(mistake)
- accuracy n.精确性，正确度
- angle n.角；角度
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formula n.角度；角落
Formula refers to a statement, especially an equation, of a fact, rule, principle, or other logical relation. -
function n.函数
In x=5y, x is a function of y. - addition n.加法
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divide vt.分割；除
The woman's estate was dicvided among her children. - multiply v.乘；增加
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subtract vt.减去(deduct)
If you subtract 2 from 6, you get 4. - adjacent adj.邻近的(neighboring);接近的
- algebra n.代数学
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arithmetic n.算术
Arithmetic as a basic school subject should be fun for starters. -
equation n.等式；平衡
1+2=3 is a simple equation. -
altitude n.高度
At high altitudes of Tibet it is difficult the breathe. - geometry n.几何学
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circumference n.圆周
The formulas for caculating the circumference of circle and triangle are different. - slope n.斜坡；斜面；斜率
- summation n.总和，和；合计
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symmetry n.对称（性）；匀称(balance, harmony)
The idea of symmetry is wildly used in architecture and designing. -
approximate adj.近似的，大约的(roughly)
The approximate number of demonstrators in front of the municipal office building was 900. - sequence n. 序列(procession, progressionN)
- progression n.行进；级别
- ascending adj.上升的，向上的
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probability n.概率；可能性
Probability denotes a number expressing the likelihood that a specific event will occur, expresed as the ratio of the number of actual occurrences to the number of possible occurrences. - calculation n.计算；考虑
- classification n.分类，分级
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combination n.组合
In mathematical terms, combination means one or more elements selected from a set without regard to the order of selection. - logarithm n.对数
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complementary adj.补充的，补足的
The two angles are complementary agles. - square n.正方形；平方
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congruent adj.全等的
They are congruent triangles. -
constant n.常数，恒量
Constant refers to a quantity assumed to have a fixed value in a specified mathematical context. -
coordinate n.同等者；同等物；坐标（用复数）
The coordinate should show you your position. - cylinder n.圆柱体(column);柱面
- denominator n.分母
- deviation n.离差
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dimension n.尺寸，尺度；维（数），度（数）；元（measurement）
A line has one dimension and a square has two. - evaluate vt.评价，估计(estimate, assess);求～值
- hemisphere n.半球
- horizontal adj.地平线的，水平的
- byperbola n.双曲线
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intersect vi.相交（cross, meat）
These two lines intersect at the original point. - invariance n.不变性，恒定性
- increment n.增加；增量
- maximize vt.取-最大值；最佳化
- negative n.否定；负数(minus)
- numerator n.分子(dividend)
- pentagon n.五角形，五边形
- perimeter n.周长，周界(circumference)
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permutation n.排列；置换
Permutation is an ordered arrangement of the elements of a set. - quadrant n.象限；四分仪
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quotient n.商
A quotient is the number obtained by dividing one quantity by another. - fraction n.分数
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decimal adj.十进制的 n.小数
The metric system is a decimal system. - diameter n.直径
- ellipse n.椭圆，椭圆形
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radius n.半径
A line segment that joins the center of a circle with any point on its circumference is a radius. -
vertical adj.垂直的(perpendicular, upright)
Vertical communication happens between subordinates and superiors. - deduction n.减
- statistics n.统计学；统计表
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even adj.偶数的
2,4,6,8 etc. are even numbers. -
odd adj.奇数的，单数的
1,3,5,7 etc. are odd numbers. -
enumerate vt.枚举；计数(count, numberate)
Sam can enumerate all the Presidents of the United States. -
calculate vt.计算（count），估计；计划
Children calcute with the help of their fingers when they are learing counting. - clalculus n.微积分学
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percentage n.百分数，百分率，百分比
The percentage of unskilled workers is small. -
proportion n.比例；均衡；面积；部分
We do not always find visible happiness in proportion t visible virtune. - exponent n.指数(index)
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derivative n.导数
The limiting value of the ratio of the change in a function to the corresponding change in its independent variabvle is called derivative. - power n.乘方；幂
- arc n.弧，弓，拱
- infinity n.无限，无穷大
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