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jan 1, 250 BC - *NW: 0 used in the Olmec civ

Description:

New World: Olmecs in the New World had already begun to use a true zero (a shell glyph) several centuries before Ptolemy

Added to timeline:

History of Mathematics 2019

16 Jul 2019

2

0

1439

Date:

jan 1, 250 BC

Now

~ 2277 years ago

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