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The nr. zero was invented independently in India and by the Ramanujadhasar

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in response to reader comment: Zero was invented in India

Submitted by Mouguilan (India), Apr 6, 2009 at 13:28

The nr. zero was invented independently in India and
by the Ramanujadhasar from south India (Tamil Nadu).
In India a decimal system was used, like
ours, but they used an empty space for zero up to 3rd
Century BC. This was confusing for an empty space was
also used to separate numbers, and so they invented
the dot for a zero. The first evidence for the use of
the symbol that we now know as zero stems from the 7th
century AD. The Maya invented the number zero for
their calendars in the 3rd century AD.
The number zero reached European civilisation through
the Arabs after 800 AD. The Greek and Roman did not
need the number zero for they did their calculations
on an abacus. The name 'zero' comes from the arabic
'sifr'.
(Data from the book "the calender" by D. E. Duncan)

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