Rounding: The round function can be used to round a numeric value, rounding the decimal part to a specified precision.
The round function can also be used to convert a numerical value to a specific data type, such as converting a floating point number to an integer.
Formatting output: The round function can be used to format numerical output by keeping a specified number of decimal places.
Precision control: In some calculations, inaccuracies in results due to the precision of floating numbers can be controlled using the round function.
Rounding rules: the round function can also be applied with different rounding rules such as rounding to the nearest whole number, rounding up, rounding down, etc.
