阶乘 階乘 jiē chéng ㄐㄧㄝ ㄔㄥˊ gaai1 sing4

  • the factorial of a number, e.g. 5! = 5.4.3.2.1 = 120

Stroke order

Practice writing

Draw 阶 (1 of 2) — stroke by stroke.

Draw each stroke of the character in order using your mouse or finger. A hint appears after three misses.