Arithmetic

Arithmetic or arithmetics (from the Greek ἀριθμός arithmos, "number") is the oldest and most elementary branch of mathematics.

Description

It consists of the study of numbers, especially the properties of the traditional operations between them: addition, subtraction, multiplication and division.

Number theory

Arithmetic is an elementary part of number theory

Top-level divisions of modern math

Number theory is considered to be one of the top-level divisions of modern mathematics, along with:

• Algebra
• Geometry
• Analysis

History and terminology

The terms arithmetic and higher arithmetic were used until the beginning of the 20th century as synonyms for number theory, and are sometimes still used to refer to a wider part of number theory.

See also

• Addition
• Addition of natural numbers
• Additive inverse
• Arithmetic coding
• Arithmetic mean
• Arithmetic progression
• Arithmetic properties
• Associativity
• Commutativity
• Distributivity
• Division (mathematics)
• Elementary arithmetic
• Finite field arithmetic
• Integer
• John Napier
• List of important publications in mathematics
• Mathematics
• Mental calculation
• Multiplication
• Number line
• Number theory
• Positional notation
• Slide rule
• Subtraction

External links

• Arithmetic @ Wikipedia