/* Returns a string representation of the number in fixed-point notation.
Fixed-point notation means that the string will contain a specific number of digits after the decimal point, as specified in the fractionDigits parameter.
The valid range for the fractionDigits parameter is from 0 to 20.
Specifying a value outside this range throws an exception.
*/
var num:Number = 4;
trace(num.toFixed(2)); // 4.00
var num:Number = 7.31343;
trace(num.toFixed(3)); // 7.313