Definition of arithmetic

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Arithmetic (n.) The science of numbers; the art of computation by figures.

Lern More About Arithmetic

Calculate :: Calculate (v. i.) To ascertain or determine by mathematical processes, usually by the ordinary rules of arithmetic; to reckon up; to estimate; to compute..
Average :: Average (n.) A mean proportion, medial sum or quantity, made out of unequal sums or quantities; an arithmetical mean. Thus, if A loses 5 dollars, B 9, and C 16, the sum is 30, and the average 10..
Abacus :: Abacus (n.) A calculating table or frame; an instrument for performing arithmetical calculations by balls sliding on wires, or counters in grooves, the lowest line representing units, the second line, tens, etc. It is still employed in China..
Arithmetically :: Arithmetically (adv.) Conformably to the principles or methods of arithmetic.
Logistics :: Logistics (n.) A system of arithmetic, in which numbers are expressed in a scale of 60; logistic arithmetic..
Proportion :: Proportion (n.) The rule of three, in arithmetic, in which the three given terms, together with the one sought, are proportional..
Arithmetic :: Arithmetic (n.) The science of numbers; the art of computation by figures.
Notation :: Notation (n.) Any particular system of characters, symbols, or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. Esp., the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity, or operations..
Arithmetical :: Arithmetical (a.) Of or pertaining to arithmetic; according to the rules or method of arithmetic.
Sexenary :: Sexenary (a.) Proceeding by sixes; sextuple; -- applied especially to a system of arithmetical computation in which the base is six.
Practice :: Practice (n.) A easy and concise method of applying the rules of arithmetic to questions which occur in trade and business.
Unitary :: Unitary (a.) Of or pertaining to a unit or units; relating to unity; as, the unitary method in arithmetic..
Logistical :: Logistical (a.) Sexagesimal, or made on the scale of 60; as, logistic, or sexagesimal, arithmetic..
Arithmetic :: Arithmetic (n.) A book containing the principles of this science.
Equidifferent :: Equidifferent (a.) Having equal differences; as, the terms of arithmetical progression are equidifferent..
Inch :: Inch (n.) A measure of length, the twelfth part of a foot, commonly subdivided into halves, quarters, eights, sixteenths, etc., as among mechanics. It was also formerly divided into twelve parts, called lines, and originally into three parts, called barleycorns, its length supposed to have been determined from three grains of barley placed end to end lengthwise. It is also sometimes called a prime ('), composed of twelve seconds (''), as in the duodecimal system of arithmetic..
Add :: Add (v. i.) To perform the arithmetical operation of addition; as, he adds rapidly..
Proportion :: Proportion (n.) The equality or similarity of ratios, especially of geometrical ratios; or a relation among quantities such that the quotient of the first divided by the second is equal to that of the third divided by the fourth; -- called also geometrical proportion, in distinction from arithmetical proportion, or that in which the difference of the first and second is equal to the difference of the third and fourth..
Quadrivium :: Quadrivium (n.) The four liberal arts, arithmetic, music, geometry, and astronomy; -- so called by the schoolmen. See Trivium..
Series :: Series (n.) An indefinite number of terms succeeding one another, each of which is derived from one or more of the preceding by a fixed law, called the law of the series; as, an arithmetical series; a geometrical series..
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