You can use this tool to simulate the movement of a mouse with your keyboard, which will come in handy if your mouse stops working with your system. The keys are configured in the following manner (with num lock activated): Keypad 1 - left button Keypad 2 - right button Keypad 3 - center button Keypad 4, 5, 6, 8 - move left, down, right, and up Keypad 7 - scroll up Keypad 9 - scroll down Keypad / - click and hold the left button Keypad * - click and hold the right button Keypad - - click and hold the center button Ctrl Keypad 0 - Activate or deactivate the emulator You can also configure the cursor movement speed.