Hindu
The Chinese number systems derived from the number systems that were in use in the Shang Dynasty.
Americans, and other peoples in the West, use Hindu-Arabic numeral system, plus a great many other developments in mathematics even for everyday arithmetic! Please see the link.
The Place Value System Originated From The Indus Valley civilization I Think.
It is not certain. There is evidence that the decimal system was used by the Elamites in ancient Iran around 5000 (+/- 500) years ago.
Hindu
The Chinese number systems derived from the number systems that were in use in the Shang Dynasty.
The number system used by the Greeks in the first millennium was called Aegan System. Attic Numerals was later formed on which the Roman System was built. The Attic Numerals used the first letter the name of the number the represented.
Two Indian mathematicians are credited with developing it namely, Aryabhata of Kusumapura and brahmagupta in the 5th century
The legal system did originate from the physical legal system. There was need of all the systems to be automated because of the technological changes in the 21st century.
endocrine system
my house
yes it did
India
ancient pagan traditions
Americans, and other peoples in the West, use Hindu-Arabic numeral system, plus a great many other developments in mathematics even for everyday arithmetic! Please see the link.
The Place Value System Originated From The Indus Valley civilization I Think.