A keen-eyed mountaineer led his overgrown son into a country schoolhouse.
This here boy's arter larnin', he announced. "What's yer bill o' fare?"
Our curriculum, sir, corrected the school-master, "embraces geography, arithmetic, trigonometry�"
That'll do, interrupted the father. "That'll do. Load him up well with triggernometry. He's the only poor shot in the family."