factorial的词源

英文词源

factorial (n.)

1816, in mathematics, from factor + -al (2). As an adjective from 1837 in mathematics; from 1881 as "pertaining to a factor."

中文词源

factorial：阶乘

来自factor, 因素，要素。用于数学名词。

该词的英语词源请访问趣词词源英文版：factorial 词源，factorial 含义。