Decimal Point Symbol
The decimal point symbol is used to separate the whole part of a number from the decimal part.
Format  Display  Data 

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TeX 


Unicode  . 

Usage
Decimal Point  Notation
The decimal point is used to separate the whole part of a number from the decimal part. The whole part is represented using number digits to the left of the decimal point. The decimal part is also represented using digits to the right of the decimal point.