To access these symbols, you must use Windows' built-in character map or type the appropriate American Standard Code for Information Interchange (ASCII) code on the numeric keypad.

Press and hold the Alt key and type the entire code sequence on the numeric keypad, then release the Alt key. For capitalized ‘Ú’, use Alt+0218 . Read Next: Character Map not working in Windows .

DYNAMIC PAGE — HIGHEST POSSIBLE CLASSIFICATION IS TOP SECRET // SI / TK // REL TO USA AUS CAN GBR NZL (U) Ask Raul: Numeric Character Reference FROM: ‘Raul’, a DNI Analyst Unknown Run Date ...

As shown in the screenshots below, you can also use a custom numeric code if you don’t want to use an alphanumeric one. Read more about passcodes on iOS devices in Apple’s support document here.