ActionScript 2.0 Language Reference - Adobe Help and Support

Number constructor
public Number(num:Object)
Creates a new Number object. The new Number constructor is primarily used as a placeholder.
A Number object is not the same as the Number() function that converts a parameter to a
primitive value.
Availability: ActionScript 1.0; Flash Player 5
Parameters
num:Object - The numeric value of the Number object being created or a value to be
converted to a number. The default value is 0 if value is not provided.
Example
The following code constructs new Number objects:
var n1:Number = new Number(3.4);
var n2:Number = new Number(-10);
See also
toString (Number.toString method), valueOf (Number.valueOf method)
POSITIVE_INFINITY (Number.POSITIVE_INFINITY
property)
public static POSITIVE_INFINITY : Number
Specifies the IEEE-754 value representing positive infinity. The value of this property is the
same as that of the constant Infinity.
Positive infinity is a special numeric value that is returned when a mathematical operation or
function returns a value larger than can be represented.
Availability: ActionScript 1.0; Flash Player 5
Example
This example compares the result of dividing the following values.
var posResult:Number = 1/0;
if (posResult == Number.POSITIVE_INFINITY) {
trace("posResult = "+posResult); // output: posResult = Infinity
}
var negResult:Number = -1/0;
if (negResult == Number.NEGATIVE_INFINITY) {
trace("negResult = "+negResult); // output: negResult = -Infinity
1002 ActionScript classes