a mathematical function that represents the exponent to which a fixed number, called the base, must be raised to produce a given number
对数
她在数学课上用对数解复杂的指数方程。
a statement or proposition that has been proven to be true based on previously established axioms, definitions, and other theorems within a particular mathematical or logical system
定理
数学推理的一个基本方面是确立定理的有效性。
an ordered set of numbers that describes both magnitude and direction, commonly used to represent quantities like displacement, velocity, or force in physics and engineering
向量, 矢量
(mathematics) a quantity whose value changes according to another quantity's varying value
函数
a mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159
π, 圆周率
正弦波和余弦波是周期函数，其周期是2π的倍数，这一性质与圆和π有关。
a mathematical representation of the sum of the terms of a sequence, often denoted by the symbol Σ (sigma), where the terms are added together in a specified order
级数, 序列
调和级数 1 + 1/2 + 1/3 + 1/4 + 1/5 发散，意味着随着更多项的加入，其和趋近于无穷大。
a branch of mathematics that deals with the relationships between the angles and sides of triangles
三角学, 三角学分支
三角函数中的余弦函数（cos）表示邻边与斜边的比率。
the result obtained by dividing one quantity or number by another, expressed as the outcome of a division operation
商
20和5的商是4，因为20除以5等于4。
the longest side of a right-angled triangle, opposite the right angle, and defined as the side opposite the right angle in a right-angled triangle
斜边, 直角三角形中最长的边，与直角相对
30-60-90三角形的斜边总是较短边长度的两倍。
a set of real numbers that includes all the numbers between any two specified numbers within the set
间隔, 区间
a network of regularly spaced horizontal and vertical lines used to locate, measure, or plot positions
网格, 方格
a statistical measure that represents the middle value of a data set when the values are arranged in ascending or descending order
中位数, 中间值
对于数据集{3, 6, 8, 12, 15, 19}，中位数是10，即两个中间值8和12的平均值。
the value that appears most frequently in a data set
众数, 模态值
a visual representation of information or data, designed to convey complex information quickly and clearly
信息图, 信息的视觉表现
(statistics) an arrangement of values of a variable showing how often each occurs, either observed or theoretical
分布, 分配
(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities
平均数, 算术平均数
a group of similar things or people that are close together
a diagram consisting of bars with different heights that represent the amount of a variable
直方图, 条形图
