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A comment on The oldest "0" in India for which one can assign a definite date.

Re:The oldest "0" in India for which one can assign a defini... by swatkat on Saturday May 25, 2013 @02:39AM (#5766554)
Apparently, this article is about oldest known depection of symbol of zero (i.e. a circle), which is found in Gwalior's Chatur Bhuja temple.

But, zero in decimal place-value system[1] and zero's usage as a number[2][3] are much older.

[1]http://en.wikipedia.org/wiki/Lokavibhaga

[2]http://en.wikipedia.org/wiki/Br%C4%81hmasphu%E1%B9%ADasiddh%...

[3]http://en.wikipedia.org/wiki/Brahmagupta#Zero

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