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Factorial with PowerShell
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| function Factorial ([bigint]$x) | |
| { | |
| if ($x -ge 1) | |
| { | |
| return $x * (Factorial ($x = $x - 1)) | |
| } | |
| elseif ($x -eq 0) | |
| { | |
| return 1 | |
| } | |
| else | |
| { | |
| throw "NaN" | |
| } | |
| } |
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