To write the 48223230300005f232303010029 Sad Symbol Smiley Face symbol on keyboard using ALT codes; ALT+2.0778331451524E+35, just hold down the ALT key while typing the alt key code 2.0778331451524E+35. 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.