To write the Apl Functional Symbol Jot Diaeresis symbol ⍤ on keyboard using ALT codes; ALT+9060, just hold down the ALT key while typing the alt key code 9060. You have to use the numeric keypad of your keyboar😼d. If you 🐬don not have numeric keypad, hold down the Fn and ALT keys while typing the alt code number.