I'm using 20.04 on a DELL Latitude 5501. I'm trying to make my numpad keys function exactly like the arrow keys. I've tried all the options in gnome-tweaks (compatibility and numeric keypad options). In most cases it works ok, but in various cases it doesn't. most important for me are the keyboard shortcuts: Right Arrow is really a right arrow whereas Right Numpad Arrow is "Right (keypad)", meaning a different key.
Is there a way (command, script, utility) to make the system take keypad keys exactly like the arrow keys (and for that matter also the navigation keys pgup pgdn home end)?