mikehunt114 Posted July 18, 2007 Posted July 18, 2007 (edited) Functions for calculating factorials and binomial coefficients (aka choose):Func _MathFactorial($number) If Not IsNumber($number) Then Return 0 SetError(1) EndIf Local $value = 1 For $i = 1 To $number $value *= $i Next Return $value EndFunc Func _MathChoose($num1, $num2) ;Important: $num1 choose $num2 If Not IsNumber($num1) And Not IsNumber($num2) Then Return 0 SetError(1) EndIf If $num2 < 0 Or $num2 > $num1 Then Return 0 Local $num1_Factorial = _MathFactorial($num1) Local $num2_Factorial = _MathFactorial($num2) Local $diff_Factorial = _MathFactorial($num1 - $num2) Local $value = $num1_Factorial/($num2_Factorial*$diff_Factorial) Return $value EndFuncEdit: Added restraints for _MathChoose Edited July 18, 2007 by mikehunt114 IE Dev ToolbarMSDN: InternetExplorer ObjectMSDN: HTML/DHTML Reference Guide[quote]It is surprising what a man can do when he has to, and how little most men will do when they don't have to. - Walter Linn[/quote]--------------------[font="Franklin Gothic Medium"]Post a reproducer with less than 100 lines of code.[/font]
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