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Calculating factorials

VB icon
Submitted on: 8/14/2002 10:47:31 PM
By: Daniel Destro do Carmo  
Level: Beginner
User Rating: Unrated
Compatibility:ASP (Active Server Pages)

Users have accessed this code 1262 times.

(About the author)
     Calculates the factorial number
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Terms of Agreement:   
By using this code, you agree to the following terms...   
1) You may use this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.   
2) You MAY NOT redistribute this code (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.   
3) You may link to this code from another website, but ONLY if it is not wrapped in a frame. 
4) You will abide by any additional copyright restrictions which the author may have placed in the code or code's description.

    ' Name: Calculating factorials
    ' Description:Calculates the factorial n
    '     umber
    ' By: Daniel Destro do Carmo
    ' Inputs:Source number to be calculated
    ' Returns:The factorial value of the num
    '     ber
    'This code is copyrighted and has    ' limited warranties.Please see http://w
    '     ww.Planet-Source-Code.com/vb/scripts/Sho
    '     wCode.asp?txtCodeId=7762&lngWId;=4    'for details.    '**************************************
    function Factorial( num )
    Dim i, result
    result = 1
    If( num > 0 ) Then
    For i = num To 1 Step -1
    result = result * i
    ElseIf( num = 0 ) Then
    result = 0
    For i = num To -1 Step +1
    result = result * i
    End if
    Factorial = result
    End function
    '# if you want to use recursive function
    '     , try the code bellow:
    function Factorial( number )
    if number > 1 Then
    Factorial = number * Factorial( number - 1 )
    Factorial = 1
    End if
    End function

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