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The use of the decimal system (base 10) is really more or less arbitrary. It may be related to the fact that most humans have 10 fingers, and used them for counting at some moment. But mathematically, the number 10 has no merit over other numbers; any base (like 6, 12, or 17) would work as well. In fact, the number base 6, or a multiple like 12, would make it somewhat easier to work with fractions - being based on the smallest two prime numbers.
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A numeration system based on grouping by tens?
decimal system
Does the decimal system use ten symbols?
No. It uses ten digits and the decimal point: eleven symbols in all.
Who invented the decimal number system?
Melvil Dewey created the Dewey Decimal system. It is a classification system used by libraries, and not what is meant in the question. The decimal number system is the number system that we all use on a daily basis; it was invented by a succession of Arab and Hindu mathematicians beginning about 1400 years ago.
How was the decimal system in Egyptian number system?
The decimal system is the same anywhere. Dec means 10 so the decimal system is a system used on the base 10 system.
When was the zero introduced to the decimal system?
The oldest known text to use a decimal 0 is an Indian document: Lokavibhâga, dated 458 AD.
