To write the 283005f2323030000200029002f007c007c Sad Symbol Smiley Face symbol on keyboard using ALT codes; ALT+8.9224860999714E+44, just hold down the ALT key while typing the alt key code 8.9224860999714E+44. 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.