Have you ever considered of mousing ambidextrously?

[Paddy]

I can't quite understand why right handed people put the mouse in their
right hand.

I'm not a touch typist, like most of the English engineers I know, and
I am left handed but prefer to have the mouse in my right hand.  this
allows my to mouse and then peck at the keyboard with my left hand for
the odd keystroke.

I would however prefer the numeric pad on the left.

- Paddy.
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http://paddy3118.blogspot.com/