using uCalcSoftware; var uc = new uCalc(); // Define a format that only applies to Double data types. var doubleType = uc.DataTypeOf("Double"); var fmt = uc.Format("Result = 'Value: ' + Result", doubleType); Console.WriteLine(uc.EvalStr("10 * 2.5")); Console.WriteLine(uc.EvalStr("'Hello'")); // String output is unaffected. // Clean up the format rule fmt.Release(); Console.WriteLine(uc.EvalStr("10 * 2.5")); // No longer formatted