using uCalcSoftware; var uc = new uCalc(); // Eval provides a direct way to compute results from strings. Console.WriteLine(uc.Eval("1+1")); Console.WriteLine(uc.Eval("5*(3+9)^2")); Console.WriteLine(uc.Eval("Sqrt(16) + Sin(0)")); Console.WriteLine(uc.Eval("Length('This is a test')"));