You can use virtual keyboards as lookup utilities to simplify the input of certain special symbols. You can also use virtual keyboards to display the keymap of input methods, such as TsangChieh.
The Traditional Chinese system supports several virtual keyboards.
The following figure shows the PC virtual keyboard.
The TsangChieh keyboard displays the keymap of TsangChieh input method that is based on Chinese radicals.
The following figure shows the Array virtual keyboard.
The following figure shows the DaYi virtual keyboard.
The following figure shows the Boshiamy virtual keyboard.