To determine or ascertain by mathematical methods; compute.
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.