| Specifier | Effect |
| %A | Causes the hexadecimal digits a through f to be displayed in uppercase as A through F. Also, the prefix 0x is displayed as 0X, and p is displayed as P. |
| %B | Uppercases the values true and false |
| %C | Uppercases the corresponding character argument. |
| %E | Causes the e symbol that indicates the exponent to be displayed in uppercase. |
| %G | Causes the e symbol that indicates the exponent to be displayed in uppercase. |
| %H | Causes the hexadecimal digits a through f to be displayed in uppercase as A through F. |
| %S | Uppercases the corresponding string. |
| %T | Causes all alphabetical output to be displayed in uppercase. |
| %X | Causes the hexadecimal digits a through f to be displayed in uppercase as A through F. Also, the optional prefix 0x is displayed as 0X, if present. |