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Longman Dictionary of Contemporary English
arithmetic progression
mental arithmetic
▪ I did a quick bit of mental arithmetic.
▪ A quick bit of mental arithmetic was enough to make Chrissy weak at the knees.
▪ Of course that simple arithmetic may be wrong.
▪ A little simple arithmetic is now required.
▪ By some weird arithmetic, the more life stuffs itself into the valley, the more spaces it creates for further life.
▪ Integer arithmetic should be used, to avoid the problems of approximate answers.
▪ Now consider the arithmetic of compensation for personal risk as it applies to job-market choices.
▪ Of course that simple arithmetic may be wrong.
▪ Once, multiplying or dividing by zero had terrifying results, reducing orderly arithmetic to instant nonsense.
▪ One can imagine his excitement when he later discovered the similarities in progression between the hexagrams and his own binary arithmetic.
▪ The arithmetic is relentless on this one.
▪ This obvious feature of the parliamentary arithmetic is ignored by many writers on the 1931 crisis.
▪ As with arithmetic shift, each bit is moved a number of positions to the left or right.
▪ Some computers provide both logical and circular shifts, together with the appropriate arithmetic shifts.
The Collaborative International Dictionary

Mathematics \Math`e*mat"ics\, n. [F. math['e]matiques, pl., L. mathematica, sing., Gr. ? (sc. ?) science. See Mathematic, and -ics.] That science, or class of sciences, which treats of the exact relations existing between quantities or magnitudes, and of the methods by which, in accordance with these relations, quantities sought are deducible from other quantities known or supposed; the science of spatial and quantitative relations. Note: Mathematics embraces three departments, namely:

  1. Arithmetic.

  2. Geometry, including Trigonometry and Conic Sections.

  3. Analysis, in which letters are used, including Algebra, Analytical Geometry, and Calculus. Each of these divisions is divided into pure or abstract, which considers magnitude or quantity abstractly, without relation to matter; and mixed or applied, which treats of magnitude as subsisting in material bodies, and is consequently interwoven with physical considerations.


Arithmetic \A*rith"me*tic\, n. [OE. arsmetike, OF. arismetique, L. arithmetica, fr. Gr. ? (sc. ?), fr. ? arithmetical, fr. ? to number, fr. ? number, prob. fr. same root as E. 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.

Douglas Harper's Etymology Dictionary

mid-13c., arsmetike, from Old French arsmetique (12c.), from Latin arithmetica, from Greek arithmetike (tekhne) "(the) counting (art)," fem. of arithmetikos "of or for reckoning, arithmetical," from arithmos "number, counting, amount," from PIE root *re(i)- "to reason, count" (cognates: Old English, Old High German rim "number;" Old Irish rim "number," dorimu "I count;" Latin ritus "religious custom;" see read).\n

\nOriginally in English also arsmetrik, on folk etymology from Medieval Latin ars metrica; spelling corrected early 16c. Replaced native tælcræft, literally "tell-craft."


a. 1 (context mathematics English) Of, relating to, or using arithmetic; arithmetical. 2 (context arithmetic English) Of a progression, mean, etc, computed solely using addition. n. The mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division.


adj. relating to or involving arithmetic; "arithmetical computations" [syn: arithmetical]


n. the branch of pure mathematics dealing with the theory of numerical calculations

Arithmetic (song)

"Arithmetic" is a single by Brooke Fraser released in 2004. The song is the first track Fraser's debut album What To Do With Daylight, which takes its name from this song in the line "Wondering what to do with daylight until I can make you mine." The song was later included on the Sony BMG compilation More Nature, a collection of songs from the New Zealand Sony BMG catalogue (in particular, those who promote nature and conservation).

The song debuted on the New Zealand Singles Chart at number thirty eight on 26 July 2004 and peaked at number eight. It spent nineteen weeks on the chart.


Arithmetic or arithmetics (from the Greek ἀριθμός arithmos, " number") is the oldest and most elementary branch of mathematics. It consists of the study of numbers, especially the properties of the traditional operations between them— addition, subtraction, multiplication and division. Arithmetic is an elementary part of number theory, and number theory is considered to be one of the top-level divisions of modern mathematics, along with algebra, geometry, and analysis. 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.

Usage examples of "arithmetic".

Trade was hampered by widespread piracy, agriculture was so inefficient that the population was never fed adequately, the name exchequer emerged to describe the royal treasury because the officials were so deficient in arithmetic they were forced to use a chequered cloth as a kind of abacus when making calculations.

When these proofs come fairly before the world, and are clearly seen by all who understand arithmetic, it is scarcely possible that abstinence from aliments demonstrably pernicious should not become universal.

A little sum in mental arithmetic, which he worked on the way and submitted to the cabman at the end of the journey, was found to be wrong.

I found that I was doing everything in decimal rather than the duodecimal arithmetic that I had taught everybody else.

I may add, before I quit this subject, that the Martial system of arithmetic differs from ours principally in the use of a duodecimal instead of a decimal basis.

She was fortunate in that her subject happened to be Lower School arithmetic, for, in spite of assertions to the contrary by various eminent educationists, the fact remains that the majority of children under fourteen like arithmetic even when they are not particularly good at it.

Everything was as we have said, a question of arithmetic to Cocles, and during twenty years he had always seen all payments made with such exactitude, that it seemed as impossible to him that the house should stop payment, as it would to a miller that the river that had so long turned his mill should cease to flow.

And the hammam, I think, must rank with those other great Arabian inventions: arithmetic and its numbers and the abaco for counting.

Her father gave her problems in arithmetic, and she wrote their names and her own for them.

By associating various mathematical problems with his constructive exercises, the teacher can frequently cause the pupil to transfer in some degree his primary interest in manual training to the associated work in arithmetic.

Ed Tanager was vaguely aware of this although time and arithmetic were now encompassed by the symmetrical face of the manometer dial and the distorted face of his daughter.

The invention of formal arithmetic and symbolic logic, both mathematicizing the instinctive strategies of human reason, making them as distinct and solid as geometric proofs.

And the day goes on and on, getting worse and worse you mislay your exercise-book, you drop your arithmetic in the mud, your pencil breaks, and when you open your knife to sharpen the pencil you split your nail.

Still, he worked with concentration, and we finished four more subtests of the WISC-R -- Picture Completion, Similarities, Picture Arrangement, and Arithmetic.

WISC-R subtests of Arithmetic, Coding, Informationeaand Digit Span are often found to have some type of learning disability.