This is for all computer professionals and programmers who have arm problems due to continuous use of mouse.U can easily control your mouse from the numeric pad of keyboard.All u have to do is this!!!
Microsoft Windows users can enable the accessibility feature to move the mouse using their arrow keys by following the below steps.
Click Start, Settings, Control Panel.
Within the Control Panel open Accessibility Options
Click the Mouse tab.
Check the "Use Mouse Keys" check box.
If you wish to increase the speed or
change any other settings,
click on the Settingsbutton.
Click Apply and then close out of the box.
After performing the above steps you will be able to used the numeric keypad as a mouse moving up, down, left, right, and all the diagonals. In addition, you may also use the center "5" key as a left click.
Note: You must have the Number lock on for this feature to work by default. This can be changed through the settings.