ARITHMETIC

arithmetical, arithmetic

(adjective) relating to or involving arithmetic; “arithmetical computations”

arithmetic

(noun) the branch of pure mathematics dealing with the theory of numerical calculations

Source: WordNet® 3.1

Etymology

Noun

arithmetic (usually uncountable, plural arithmetics)

The mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division.

Hypernyms

• (study): math (US), maths (UK), mathematics

Adjective

arithmetic (not comparable)

(mathematics) Of, relating to, or using arithmetic; arithmetical.

(arithmetic) Of a progression, mean, etc, computed solely using addition.

Coordinate terms

• (computed solely using addition): geometric

Source: Wiktionary

A*rith"me*tic, n. Etym: [OE. arsmetike, OF. arismetique, L. arithmetica, fr. Gr. arm, the idea of counting coming from that of fitting, attaching. See Arm. The modern Eng. and French forms are accommodated to the Greek.]

1. The science of numbers; the art of computation by figures.

2. A book containing the principles of this science. Arithmetic of sines, trigonometry.

– Political arithmetic, the application of the science of numbers to problems in civil government, political economy, and social science.

– Universal arithmetic, the name given by Sir Isaac Newton to algebra.

Source: Webster’s Unabridged Dictionary 1913 Edition