using uCalcSoftware; var uc = new uCalc(); static void BooleanAnd(uCalc.Callback cb) { cb.ReturnBool(cb.ArgBool(1) && cb.ArgBool(2)); } static void AddInt16(uCalc.Callback cb) { //C# promots Int16 to int for arithmetic hence (Int16) to convert it back cb.ReturnInt16((Int16)(cb.ArgInt16(1) + cb.ArgInt16(2))); } static void AddInt32(uCalc.Callback cb) { cb.ReturnInt32(cb.ArgInt32(1) + cb.ArgInt32(2)); } static void AddInt64(uCalc.Callback cb) { cb.ReturnInt64(cb.ArgInt64(1) + cb.ArgInt64(2)); } uc.DefineFunction("BooleanAnd(x As Bool, y As Bool) As Bool", BooleanAnd); uc.DefineFunction("AddInt16(x As Int16, y As Int16) As Int16", AddInt16); uc.DefineFunction("AddInt32(x As Int32, y As Int32) As Int32", AddInt32); uc.DefineFunction("AddInt64(x As Int64, y As Int64) As Int64", AddInt64); Console.WriteLine(uc.EvalStr("BooleanAnd(true, false)")); Console.WriteLine(uc.EvalStr("AddInt16(5.2, 4.1)")); Console.WriteLine(uc.EvalStr("AddInt32(2, 3)")); Console.WriteLine(uc.EvalStr("AddInt64(10, 20)"));