using uCalcSoftware; var uc = new uCalc(); uc.CreateAlias("VariableDefinition", "Variable", true); uc.CreateAlias("Method", "Function", true); uc.Define("VariableDefinition: MyVar = 123"); uc.Define("Method: MyFunc(x) = x * 10"); Console.WriteLine(uc.Eval("MyVar")); Console.WriteLine(uc.Eval("MyFunc(5)"));