@GerryCerryBery many people are ampidexterus, I am too, except I'm originally a lefty for everything except writing. Back when I was younger my parents sorta forced writing with my right hand on me, not really enforced but they only taught me the basics via guiding my right hand. I thank them for that since now I don't really have to deal with the pains of getting ink or lead on my hand.
Otherwise I usually use my right hand only for my computer mouse (touchpad on my laptop with my left) and for some random menial tasks (the daily stuff like loading the laundry, washing the dishes, wanking)