See [1] In short, it makes the keys on a numerical keypad allow you to control the mouse (move up/down/left/right and click) [1] https://etc.usf.edu/techease/

See [1] In short, it makes the keys on a numerical keypad allow you to control the mouse (move up/down/left/right and click) [1] https://etc.usf.edu/techease/4all/input-devices/what-are-mouse-keys/ https://etc.usf.edu/techease/4all/input-devices/what-are-mou...