VBScript sqrt function

A VBScript equivalent of PHP’s sqrt

Function sqrt(arg)

    If arg < 0 Then
        sqrt = null
        sqrt = sqr(arg)
    End If

End Function

Please also note that php.vbs offers community built functions and goes by the McDonald’s Theory. We’ll put online functions that are far from perfect, in the hopes to spark better contributions. Do you have one? Then please just:

Other PHP functions in the math extension