IMath.Fact

Fore Syntax

Fact(Value: Integer): Double;

Fore.NET Syntax

Fact(Value: integer): double;

Parameters

Value. A number, for which factorial is calculated.

Description

The Fact method returns a number factorial.

Comments

The Value parameter value must belong to the [1;170] interval.

Fore Example

To execute the example, add a link to the MathFin system assembly.

Sub UserProc;
Var
    r: Double;
Begin
    r := Math.Fact(5);
    Debug.WriteLine(r);
End Sub UserProc;

After executing the example the console window displays the factorial number equal to 120.

Fore.NET Example

The requirements and result of the Fore.NET example execution match with those in the Fore example.

Imports Prognoz.Platform.Interop.MathFin;
…
Public Shared Sub Main(Params: StartParams);
Var
    r: double;
    Math: MathClass = New MathClass();
Begin
    r := Math.Fact(5);
    System.Diagnostics.Debug.WriteLine(r);
End Sub;