Click this button if you are finished editting the key assignments. This will remove the dialog from the screen.
Click this button if you wish to revert back to the previous key assignment for this function.
Click this button if you wish to erase the current key assignment and assign no key to this function.
To select another function, click on a different button on the calculator. Control-click to select a '2nd' function. To move the calculator, command-drag the ProCalc title bar.
To change the key assignment for the displayed function, press the desired key combination. You can use the shift, option, and command keys in any combination, along with any other key. (The control key is reserved by ProCalc.)
