arithmetic

arithmetic
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Arithmetic (sometimes incorrectly spelled as arithmetic) (from the Greek word αριθμός - arithnos = number) or used to be called a branch of arithmetic (or predecessors) of mathematics that studies the basic number operations. By the layman, the word "arithmetic" are regarded as synonyms of number theory. Please see numbers to find out more about number theory.
arithmetic operations

Basic arithmetic operation is addition, subtraction, multiplication and division, while other operations are more sophisticated (such as percentage, square root, reappointment, and logarithmic) are also sometimes included in this category. The calculation of the arithmetic performed by a sequence of operations that define arithmetic operations which first performed.

Arithmetic natural numbers, integers, rational numbers, and real numbers are generally learned by school children, who study the manual arithmetic algorithms. However, many people prefer to use tools such as calculators, computers, or abacus to perform arithmetic calculations.

Recent developments in Indonesia studying arithmetic developed with the help of jarimatika method of using your fingers to operate time-to-added-less.