public static void EvaluateIsNumeric()
{
string[] numericFormulas = { "IsNUmeric(1)", "IsNumeric(1<0)", "IsNumeric(\"1.1\")", "IsNumeric(Choose((2 + Sgn(2^-3)), 123, \"one two three\"))" };
Project project = CreateTestProjectWithCustomField();
foreach (string numericFormula in numericFormulas)
{
// Set Formula
project.ExtendedAttributes[0].Formula = numericFormula;
// Print extended attribute value
Task task = project.RootTask.Children.GetById(1);
Console.WriteLine(task.ExtendedAttributes[0].Value);
}
}