diff --git a/exec/src/arith/arith.c b/exec/src/arith/arith.c
index 12e55744..bd28e28e 100644
--- a/exec/src/arith/arith.c
+++ b/exec/src/arith/arith.c
@@ -6,7 +6,7 @@
 /*   By: maiboyer <maiboyer@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/07/26 15:14:50 by maiboyer          #+#    #+#             */
-/*   Updated: 2024/07/30 13:17:25 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/07/30 14:07:29 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -29,21 +29,23 @@ t_error	_binary_get_op(t_ast_arithmetic_operator op, t_arith_op_func *out)
 	return (ERROR);
 }
 
+// t_ast_node	_postfix_op_decrement(t_ast_node )
+
 t_error	_postfix_get_op(t_ast_arithmetic_operator op, t_arith_op_func *out)
 {
 	if (op == ARITH_INCREMENT)
-		return (*out = _postfix_op_decrement, NO_ERROR);
+		return (*out = _postfix_op_inc, NO_ERROR);
 	if (op == ARITH_DECREMENT)
-		return (*out = _postfix_op_decrement, NO_ERROR);
+		return (*out = _postfix_op_dec, NO_ERROR);
 	return (ERROR);
 }
 
 t_error	_unary_get_op(t_ast_arithmetic_operator op, t_arith_op_func *out)
 {
 	if (op == ARITH_INCREMENT)
-		return (*out = _unary_op_increment, NO_ERROR);
+		return (*out = _unary_op_plus, NO_ERROR);
 	if (op == ARITH_DECREMENT)
-		return (*out = _unary_op_decrement, NO_ERROR);
+		return (*out = _unary_op_minus, NO_ERROR);
 	return (ERROR);
 }
 
@@ -98,14 +100,16 @@ t_ast_node	_arith_postfix_to_ast_node(t_ast_arithmetic_postfix *self)
 					struct s_ast_node, data.arithmetic_postfix)));
 }
 
-t_ast_node	_arith_expansion_to_ast_node(t_ast_arithmetic_postfix *self)
+/*
+t_ast_node	_arith_postfix_to_ast_node(t_ast_arithmetic_postfix *self)
 {
 	t_u8	*ptr;
 
 	ptr = (void *)(self);
 	return ((void *)(ptr - offsetof(\
-					struct s_ast_node, data.arithmetic_expansion)));
+					struct s_ast_node, data.arithmetic_postfix)));
 }
+*/
 
 // this is black magic don't worry
 t_ast_node	_arith_literal_to_ast_node(t_ast_arithmetic_literal *self)
@@ -144,6 +148,7 @@ t_error	run_arithmetic_literal(t_ast_arithmetic_literal *arithmetic_literal, \
 	return (ERROR);
 }
 
+/*
 t_error	run_arithmetic_expansion( \
 t_ast_arithmetic_expansion *arithmetic_expansion, t_state *state, t_i64 *out)
 {
@@ -158,6 +163,7 @@ t_ast_arithmetic_expansion *arithmetic_expansion, t_state *state, t_i64 *out)
 	*out = ret;
 	return (NO_ERROR);
 }
+*/
 
 t_error	run_arithmetic_binary(t_ast_arithmetic_binary *arithmetic_binary, \
 		t_state *state, t_i64 *out)
@@ -184,11 +190,15 @@ t_error	run_arithmetic_ternary(t_ast_arithmetic_ternary *arithmetic_ternary, \
 	if (_get_node_number(arithmetic_ternary->condition, state, &cond))
 		return (ERROR);
 	if (cond != 0)
+	{
 		if (_get_node_number(arithmetic_ternary->then, state, out))
 			return (ERROR);
+	}
 	else
+	{
 		if (_get_node_number(arithmetic_ternary->else_, state, out))
 			return (ERROR);
+	}
 	return (NO_ERROR);
 }
 
@@ -214,7 +224,7 @@ t_ast_arithmetic_unary *arithmetic_unary, t_state *state, t_i64 *out)
 
 	if (arithmetic_unary == NULL || state == NULL || out == NULL)
 		return (ERROR);
-	if (_unary_get_op(arithmetic_unary->op, &func))
+	if (_unary_get_op(arithmetic_unary->operator, &func))
 		return (ERROR);
 	if (func(_arith_unary_to_ast_node(arithmetic_unary), state, out))
 		return (ERROR);
@@ -228,7 +238,7 @@ t_ast_arithmetic_expansion *arithmetic_expansion, t_state *state, t_i64 *out)
 
 	if (arithmetic_expansion == NULL || state == NULL || out == NULL)
 		return (ERROR);
-	if (_get_node_number(arithmetic_expansion, start, out))
+	if (_get_node_number(arithmetic_expansion->expr, state, out))
 		return (ERROR);
 	return (NO_ERROR);
 }
diff --git a/exec/src/arith/arith.h b/exec/src/arith/arith.h
index ef5930cc..a75423cd 100644
--- a/exec/src/arith/arith.h
+++ b/exec/src/arith/arith.h
@@ -6,7 +6,7 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/07/27 21:13:15 by rparodi           #+#    #+#             */
-/*   Updated: 2024/07/30 11:59:09 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/07/30 14:07:41 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -54,6 +54,10 @@ t_error		_binary_op_sub(t_ast_node self, t_state *state, t_i64 *out);
 t_error		_binary_op_mul(t_ast_node self, t_state *state, t_i64 *out);
 t_error		_binary_op_div(t_ast_node self, t_state *state, t_i64 *out);
 t_error		_binary_op_mod(t_ast_node self, t_state *state, t_i64 *out);
+t_error		_postfix_op_inc(t_ast_node self, t_state *state, t_i64 *out);
+t_error		_postfix_op_dec(t_ast_node self, t_state *state, t_i64 *out);
+t_error		_unary_op_plus(t_ast_node self, t_state *state, t_i64 *out);
+t_error		_unary_op_minus(t_ast_node self, t_state *state, t_i64 *out);
 t_ast_node	_arith_binary_to_ast_node(t_ast_arithmetic_binary *self);
 
 #endif