A radix point (or radix character) 1) is the symbol used in numerical representations to separate:

• the integral part of a number (to the left of the radix point)
• from its fractional part (to the right of the radix point).

Not to be confound with the base also called Radix

The radix is locale dependent and is:

• a period (full stop) .,
• or a comma ,.

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