⊤ Down Tack Math Symbol Smiley Face U+22a4

How to Write the Down Tack Symbol ⊤ on Keyboard?

To write the Down Tack symbol ⊤ on keyboard using ALT codes; ALT+8868, just hold down the ALT key while typing the alt key code 8868. You have to use the numeric keypad of your keyboard. If you don not have numeric keypad, hold down the Fn and ALT keys while typing the alt code number.