| 自 |
zì chéng | (math.) to multiply (a number) by itself; to raise (a number) to a power; (esp.) to square (a number) |
| 自 |
zì | (bound form) self; oneself / from; since / naturally; as a matter of course |
| 乘 |
Chéng | surname Cheng |
| 乘 |
chéng | to ride / to mount / to make use of / to avail oneself of / to take advantage of / to multiply (math.) / Buddhist sect or creed |
| 乘 |
shèng | (archaic) four horse military chariot / (archaic) four / generic term for history books |
| 乘 |
chéng | old variant of 乘 |