5.數(shù)論
natural number 自然數(shù)
positive number 正數(shù)
negative number 負(fù)數(shù)
odd integer, odd number 奇數(shù)
even integer, even number 偶數(shù)
integer, whole number 整數(shù)
positive whole number 正整數(shù)
negative whole number 負(fù)整數(shù)
consecutive whole number 連續(xù)整數(shù)
realnumber 實(shí)數(shù)
rational number 有理數(shù)
irrational number 無理數(shù)
composite number 合數(shù)
prime number 質(zhì)數(shù)
reciprocal 倒數(shù)
common divisor 公約數(shù)
multiple 倍數(shù)
(least) common multiple （最�。┕稊�(shù)
(prime) factor （質(zhì)）因子
common factor 公因子
ordinary scale, decimal scale 十進(jìn)制
non-negative 非負(fù)的
tens 十位
units 個位
mode 眾數(shù)
median 中數(shù)
6. 基本數(shù)學(xué)概念
arithmetic mean 算術(shù)平均值
weighted average 加權(quán)平均值
geometric mean 幾何平均數(shù)
common logarithm 常用對數(shù)
digit 數(shù)字
constant 常數(shù)
variable 變量
inversefunction 反函數(shù)
complementary function 余函數(shù)
linear 一次的，線性的
factorization 因式分解
absolute value 絕對值
7. 數(shù)列
arithmetic progression/sequence 等差數(shù)列
geometric progression/sequence 等比數(shù)列
common ratio 公比
common difference 公差
8. 其它
approximate 近似
(anti)clockwise （逆）順時針方向
cardinal 基數(shù)
ordinal 序數(shù)
distinct 不同的
estimation 估計，近似
parentheses 括號
proportion 比例
permutation 排列
combination 組合
