Coerces value to the specified maximum precision. If the value has greater than the specified precision, then rounds the value to the specified precision. If the value has less than or equal to the specified precision, the value is unchanged.
Source value to be evaluated
Maximum number of characters after decimal point
value rounded to the specified precision
Coerces value to the specified maximum precision. If the value has greater than the specified precision, then rounds the value to the specified precision. If the value has less than or equal to the specified precision, the value is unchanged.