write square symbol

The keyboard ,there is no way to write symbols in math problems like square.Can you help me learn how to get them or jus t type it ?Thank you very much for your help.

write square symbol

Hello

You can just write square symbol over here as

x^2

to type this just see numeric key 6 and there is this symbol
use shift and press 6 to type this ^ and it is understood as exponent of that integer