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Arithmetic is the branch of mathematics which concerns the manipulation of numbers, using the operations addition, subtraction, multiplication and division, and the taking of powers.

Also see

  • Results about arithmetic can be found here.

Linguistic Note

The word arithmetic, when used as a noun, is pronounced with the stress on the second syllable: a-rith-me-tic.

Its adjectival form, on the other hand, places the stress on the first and third syllables: a-rith-met-ic.

To avoid confusion between the noun and adjective, the adjectival form arithmetical is often used, being pronounced a-rith-met-ic-al.