数学（一）
1. error 错误 过失
2. accuracy 精确性 正确度
3. angel 角 角落
4. formula 公式 规则 [例] Formula refers to a statement， especially an equation， of a fact， rule， principle， or other logical relation.
5. function 函数 [例] In x=5y， x is a function of y.
6. addition 加法
7. divide 分割 除 [例] The woman’s estate was divided among her children.
8. multiply 乘 增加
9. subtract 减去 [例] If you subtract 2 from 6， you get 4.
10. adjacent 邻近的
11. algebra 代数学
12. arithmetic 算数 [例] Arithmetic as a basic school subject should be fun for starters.
13. equation 等式 平衡 [例] 1+2=3 is a simple equation.
14. altitude 高度 [例] At high altitudes of Tibet it is difficult to breathe.
15. geometry 几何学
16. circumference 圆周 [例] The formula for calculating the circumference of circle and triangle are different.
17. slope 斜坡 斜面
18. summation 总和
19. symmetry 对称 匀称 [例] The idea of symmetry is wildly used in architecture and designing.
20. approximate 近似的 大约的 [例] The approximate number of demonstrators in front of the municipal office building was 900.
21. sequence 序列
22. progression 行进 级数
23. ascending 上升的 向上的
24. assumption 假定
25. probability 概率 可能性 [例] Probability denotes a number expressing the likelihood that a specific event will occur， expressed as the ratio of the number of actual occurrences to the number of possible occurrences.
26. calculation 计算 考虑
27. classification 分类 分级
28. combination 组合 [例] In mathematical terms， combination means one or more elements selected from a set without regard to the order of selection.
29. logarithm 对数
30. complementary 补充的 补足的 [例] The two angels are complementary angles.
31. square 正方形 平方
32. congruent 全等的 [例] They are congruent triangles.
33. constant 常数 恒量 [例] Constant refers to a quantity assumed to have a fixed value in a specified mathematical context.
34. coordinate 同等的 [例] There coordinate should show you your position.
35. cylinder 圆柱体 柱面
数学（二）
36. denominator 分母
37. deviation 离差
38. dimension 尺寸 尺度 [例] A line has one dimension and a square has two.
39. evaluate 评价 估计
40. hemisphere 半球
41. horizontal 地平线的 水平的
42. hyperbola 双曲线
43. intersect 相交 [例] These two lines intersect at the original point.
44. invariance 不变性 恒定性
45. increment 增加 增量
46. maximize 取。..值
47. negative 否定 负数
48. numerator 分子
49. pentagon 五角形 五边形
50. perimeter 周长 周界
51. permutation 排列 置换 [例] Permutation is an ordered arrangement of the elements of a set.
52. quadrant 象限 四分仪
53. quotient 商 [例] A quotient is the number obtained by dividing one quantity by another.
54. fraction 分数
55. decimal 十进制的 小数 [例] The metric system is a decimal system.
56. diameter 直径
57. ellipse 椭圆
58. radius 半径 [例] A line segment that joins the center of a circle with any point on its circumference is a radius.
59. vertical 垂直的 [例] Vertical communication happens between subordinates and superiors.
60. deduction 减
61. statistics 统计学 统计表
62. even 偶数的
63. odd 奇数的
64. enumerate 枚举 计数 [例] Sam can enumerate all the presidents of the United States.
65. calculate 计算 [例] Children calculate with the help of their fingers when they are learning counting.
66. calculus 微积分学
67. percentage 百分数 [例] The percentage of unskilled workers is small.
68. proportion 比例 均衡 [例] We do not always find visible happiness in proportion to visible virtue.
69. exponent 指数
70. derivative 导数 [例] The limiting value of the ratio of the change in the function to the corresponding change in its independent variable is called derivative.
71. power 乘方 幂
72. arc 弧 弓形
73. infinity 无限 无穷大
