階gaai1乘sing4

English

1. the factorial of a number, e.g. 5! = 5.4.3.2.1 = 120
2. factorialunreviewed?

粵語 — Cantonese

1. 數學術語，指一個正整數同所有比佢細嘅正整數相乘嘅結果，通常用！表示unreviewed?

Examples

• unreviewed?

  六嘅階乘係七百二十。

  The factorial of 6 is 720.