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Radix point

A radix point is used in numerical representations to separate the integer part of a number from the fractional part.



In the decimal system the radix point is called the decimal separator. In most countries the separator is written as a point (.) or as a comma (,). On calculators the  •  key is generally used.

In science, the point is used as separator.



The German astronomer Bartholomaeus Pitiscus (1561 - 1613) is seen as the inventor of the decimal point.

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