Calculus

Any solid concretion, formed in any part of the body, but most frequent in the organs that act as reservoirs, and in the passages connected with them; as, biliary calculi; urinary calculi, etc.

A method of computation; any process of reasoning by the use of symbols; any branch of mathematics that may involve calculation.

A branch of mathematics that deals with rates of change and integrals

A branch of mathematics that involves derivatives and integrals

an incrustation that forms on the teeth and gums