It might have seemed like an extreme tangent (although that's a geometrical concept with which I'm unfamiliar) - it's just that I do some voluntary work with a well-respected organisation which both offers sponsorship to a lucky few and conducts aptitude testing and one thing which totally astonished me was a comment made in committee concerning the poor standards of written English exhibited by many applicants. It really does matter, chaps, chapesses and chapthings! Please accept this advice - it might just help you with your future aspirations!. .. .DC 13.4 every time!!