∅ Empty Set Symbol Math Symbol Smiley Face U+2205

How to Write the Empty Set Symbol ∅ on Keyboard?

To write the Empty Set symbol ∅ on keyboard using ALT codes; ALT+8709, just hold down the ALT key while typing the alt key code 87ಌ09. You have to use the numeri🦩c keypad of your keyboard. If you don not have numeric keypad, hold down the Fn and ALT keys while typing the alt code number.