To determine or ascertain by mathematical methods; compute.
An electronic or mechanical device for the performance of mathematical computations.
The branch of mathematics that deals with limits and rates of change, includs differential calculus, integral calculus.
A table or series of pages showing the months, weeks, and days in at least one specific year.
The maximum amount or number that can be received or contained; cubic contents; volume.
cardinal number, cardinality 基数
Any of the numbers that express amount, as 1, 57, 214, denoting quantity but not order in a set.
Cartesian coordinates 直角坐标系, 笛卡尔坐标
A system of representing points in space in terms of their distance from a given origin measured along a set of mutually perpendicular axes. Written (x,y,z) with reference to three axes.
Of or relating to a temperature scale that registers the freezing point of water as 0° and the boiling point as 100° under normal atmospheric pressure.
An official enumeration of the population, with details as to age, sex, occupation, etc.
A coin and unit of money worth 1% of the main unit of money in many countries, for example of the US dollar or of the euro.
center | centre 中心
The middle point, as the point within a circle or sphere equally distant from all points of the circumference or surface, or the point within a regular polygon equally distant from the vertices.
Because of confusion over the prefix centi-, which originally meant 100 but developed the meaning 1/100, scientists agreed to stop using the term centigrade in 1948. They use the term Celsius instead.
A unit of length equal to one hundredth (1/100) of a meter.
The centre of mass of an object of uniform density, esp of a geometric figure.
A period of 100 years.
A line segment that joins two points on a curve.
x2 + y2 = r2
(x – a)2 + (y – b)2 = r2
The center of a circumcircle where perpendicular bisectors of the sides of a polygon inscribed in the circle intersect.
circumcircle of triangle 外接圆的三角形
closed curve 封闭曲线
closed Sentence 封闭语句
column graph 柱状图
common denominator 公分母
common difference 公差
common factor 公因数
common fraction 简分数，普通分数
commutative law 交换律
compass points 罗经（方位）点
complementary angle 余角
complex number 复数
composite number 合数
compound interest 复利
concentric circles 同心圆
Having the same size and shape.
conic section 圆锥曲线
consecutive interior angles 连续内角
consecutive numbers 相邻数
continuous data 连续数据
converging lines 汇聚线
converging sequence 收敛序列
coordinate plane 坐标平面
corresponding angles 对应角
counting number 自然数
cross multiply 交叉相乘
cross section 截面
cube root 立方根
cubed number 立方数
cubic centimeter 立方厘米
cubic measure 立方单位制，体积量度单位
cubic meter 立方米
cumulative frequency 累积频数
curved line 曲线