Calculus (disambiguation)

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Calculus is Latin for pebble, and has a number of meanings in English.

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Mathematical meanings

Calculus in its most general sense can mean any method or system of calculation.

In mathematics, calculus most commonly refers to elementary mathematical analysis, which investigates motion and rates of change. The denotation "the calculus" is sometimes used to distinguish this from other mathematical meanings.
In symbolic logic: the predicate calculus is the rules of inference governing the logic of predicates; and a proof calculus is a framework for expressing systems of logical inference.
Lambda calculus, a formulation of the theory of reflexive functions with deep connections to computational theory; due in final form to Alonzo Church of Princeton University.
Pi-calculus, a formulation of the theory of concurrent, communicating processes, invented by Robin Milner.
Join calculus, a theoretical model for distributed programming.
Tuple calculus, a calculus for the relational data model, inspired the SQL language.
the calculus of sums and differences, also called the finite-difference calculus.
in mathematics education, Precalculus is a family of mathematical topics that prepare students to begin to study differential and integral calculus.

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Other meanings

In dentistry, calculus consists of deposits of calcium phosphate salts on teeth, also known as tartar. See calculus (dental)
In medicine a calculus is a stone formed in the body such as a gall stone or kidney stone. See calculus (medicine)
In The Adventures of Tintin, Cuthbert Calculus is a hard-of-hearing professor and inventor and is a dear friend of Tintin, Captain Haddock, and others.