public ScalarComplexFun(CalcFunctions funs, string code, int errNum) : base(funs, code, errNum) { }
public ScalarObjectFun(CalcFunctions funs, string code, int errNum) : base(funs, code, errNum) { }
public ConstFun(CalcFunctions funs, string code, int errNum) : base(funs, code, errNum) { }