To write the 3230301005f23230300002900200040006300720079 Sad Symbol Smiley Face symbol on keyboard using ALT codes; ALT+3.8443850765418E+54, just hold down the ALT key while typing the alt key code 3.8443850765418E+54. 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.