Extempore uses the device default keyboard for all written responses. Students and teachers can change their device keyboard to type in different characters.
Open System Preferences > Keyboard > Input Sources
Click the '+' icon and select the language you would like to use.
Click on Time & Language
Click on Language
Under the "Preferred languages" section, select the default language
Click the Options button
Under the "Keyboards" section, click the "Add a keyboard" button
Select the new keyboard layout you want to use