diff --git a/version1.0/choose.txt b/version1.0/choose.txt
index bb819dc..47f991d 100644
--- a/version1.0/choose.txt
+++ b/version1.0/choose.txt
@@ -22,6 +22,10 @@ elsif(this_token.type==__elsif)
     parse.push(this_token);
     return;
 }
+else if(this==(1+2+3*1))
+{
+    return nil;
+}
 else
 {
     parse.push(this_token);
diff --git a/version1.0/func.txt b/version1.0/func.txt
index d00a425..023e5bd 100644
--- a/version1.0/func.txt
+++ b/version1.0/func.txt
@@ -6,5 +6,5 @@ var f=func(n,m,dynamic...)
     n+=m;
     return dynamic;
 };
-print(f(1,1,0,0,0,0,0)[3]);
+print(f(1,1,0,0,0,0,0,(1+2+3+(1+2+3+4)))[3]);
 function([0,1,2,3],{str:"str"});
\ No newline at end of file
diff --git a/version1.0/loop.txt b/version1.0/loop.txt
index 0c05320..5376d85 100644
--- a/version1.0/loop.txt
+++ b/version1.0/loop.txt
@@ -20,7 +20,11 @@ for(var i=0;i<1024;i+=1)
 {
     print(i);
 }
-foreach(var i;[1,2,3,4])
+for(var i=0;(2*512)>=i;i+=1)
+{
+    print(i);
+}
+foreach(var i;[1+(1+1),2,3,4])
 {
     print(i);
 }
diff --git a/version1.0/nasal_parser.h b/version1.0/nasal_parser.h
index 0a615b4..32378ca 100644
--- a/version1.0/nasal_parser.h
+++ b/version1.0/nasal_parser.h
@@ -265,6 +265,7 @@ void nasal_parser::list_generate_expr()
 			case __id:identifier_begin_expr();break;
 			case __left_bracket:list_generate_expr();break;
 			case __left_brace:hash_generate_expr();break;
+			case __left_curve:in_curve_calc_expr();break;
 			default:
 				++error;
 				std::cout<<">>[Error] line "<<this_token.line<<": incorrect token '";
@@ -319,6 +320,7 @@ void nasal_parser::hash_generate_expr()
 			case __func:function_generate_expr();break;
 			case __left_bracket:list_generate_expr();break;
 			case __left_brace:hash_generate_expr();break;
+			case __left_curve:in_curve_calc_expr();break;
 			default:
 				++error;
 				std::cout<<">>[Error] line "<<this_token.line<<": incorrect token '";
@@ -440,6 +442,7 @@ void nasal_parser::if_else_expr()
 		case __number:number_begin_expr();break;
 		case __string:string_begin_expr();break;
 		case __id:identifier_begin_expr();break;
+		case __left_curve:in_curve_calc_expr();break;
 		default:
 			++error;
 			std::cout<<">>[Error] line "<<this_token.line<<": expect a correct data."<<std::endl;
@@ -732,6 +735,24 @@ void nasal_parser::in_curve_calc_expr()
 		++error;
 		std::cout<<">>[Error] line "<<this_token.line<<": expect a ')' at this line."<<std::endl;
 	}
+	get_token();
+	switch(this_token.type)
+	{
+		case __add_operator:
+		case __sub_operator:add_sub_operator_expr();break;
+		case __mul_operator:
+		case __div_operator:mul_div_operator_expr();break;
+		case __link_operator:link_operator_expr();break;
+		case __and_operator:
+		case __or_operator:
+		case __cmp_equal:
+		case __cmp_not_equal:
+		case __cmp_less:
+		case __cmp_more:
+		case __cmp_less_or_equal:
+		case __cmp_more_or_equal:compare_operator_expr();break;
+		default:parse.push(this_token);break;
+	}
 	return;
 }
 void nasal_parser::number_begin_expr()
@@ -752,7 +773,6 @@ void nasal_parser::number_begin_expr()
 		case __cmp_more:
 		case __cmp_less_or_equal:
 		case __cmp_more_or_equal:compare_operator_expr();break;
-		case __left_curve:in_curve_calc_expr();break;
 		default:parse.push(this_token);break;
 	}
 	return;
@@ -775,7 +795,6 @@ void nasal_parser::string_begin_expr()
 		case __cmp_more:
 		case __cmp_less_or_equal:
 		case __cmp_more_or_equal:compare_operator_expr();break;
-		case __left_curve:in_curve_calc_expr();break;
 		default:parse.push(this_token);break;
 	}
 	return;