階乘 [阶－]

Jyutping gaai1 sing4
Pinyin jiē chéng

Definitions (CC-CEDICT)
  1. the factorial of a number, e.g. 5! = 5.4.3.2.1 = 120
Definitions (Wiktionary)
  1. noun
    factorial
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）