decimal point; radix point
Standard mathematical term for the dot separating integer and fractional parts in decimal notation. 'Radix point' is the general term for any base.
3.14の小数点は3と14の間にある。
The decimal point in 3.14 is between 3 and 14.
小数点以下を四捨五入してください。
Please round off the digits after the decimal point.
We calculated pi to 100 digits after the decimal point.
Give the answer to two decimal places.
Please round off the result after the decimal point.
Put a decimal point between 3 and 14 to write 3.14.
floating point
actual decimal point