⊐ Square Original Of Symbol Math Symbol Smiley Face U+2290

How to Write the Square Original Of Symbol ⊐ on Keyboard?

To write the Square Original Of symbol ⊐ on keyboard using ALT codes; ALT+8848, just hold down the ALT key while typing the alt key code 8848. You have to use the numeric keypad of your keyboard. If you don not have numer♒ic keypad, h꧑old down the Fn and ALT keys while typing the alt code number.