If you would like to perform mouse operations only with your keyboard, Microsoft Windows provides an option to you.
The utility is called MouseKeys.
About Mousekeys? MouseKeys uses your numeric keypad to control the mouse cursor.
This can be a handy feature if you are needing better accuracy while designing graphics.
MouseKeys allows you to move the cursor pixel by pixel across the screen.
Here is how to activate the MouseKeys feature:
>Go to Start>> Control Panel>> Accessibility Options
>Click the Mouse tab
>Place a checkmark in the box titled: Use MouseKeys
>Click the settings button to adjust the pointer speed
>Click OK
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