With less keys on the Apple Mac Keyboard, it is required to use combination of keys to achieve a certain task like print screen, getting the # character or using the delete key.
It can be difficult to remember the combinations of the keys to press on the Apple Keyboard so below is a reference table.
|Character||Apple Mac Keyboard|
|DEL||FN + Backspace|
|#||Right Alt + 3|
|Print Screen||FN + Shift + F11|