Personalized Calculus Teacher Funny Job Gift Baby Bodysuit. Calculus Teacher Baby Bodysuit - Turquoise has occupation humor quote that says There are two kinds of people in this world and being a Calculus Teacher is better than both of them. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.