Usage examples for calculus

  1. Very soon it began to appear that the studies were not progressing smoothly; the priest would come forth as usual with a smiling, placid countenance, my brother with a black scowl on his face, and gaining his room, he would hurl his books down and protest in violent language that the O'Keefe was a perfect fraud, that he knew as much of the infinitesimal calculus as a gaucho on horseback or a wild Indian. – Far Away and Long Ago by W. H. Hudson