diff --git a/Makefile b/Makefile
index bf56c4e..d09ff10 100644
--- a/Makefile
+++ b/Makefile
@@ -37,10 +37,11 @@ D_HEADERS     = ./headers
 HEADERS       = computorv1.h
 D_SRCS        = ./src \
                 ./src/utils
-SRCS          = computorv1.c \
+SRCS          = main.c \
+				launcher.c \
 				lexer.c \
 				parser.c \
-				reduce.c \
+				reducer.c \
 				errors.c \
 				print_enums.c
 
diff --git a/headers/computorv1.h b/headers/computorv1.h
index b16c19e..dcdf228 100644
--- a/headers/computorv1.h
+++ b/headers/computorv1.h
@@ -14,7 +14,7 @@
 #include <termios.h> // For tcflush() and TCIFLUSH
 
 /** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * COMPUTORV1.C
+ * MAIN.C
  */
 
 typedef enum
@@ -24,6 +24,12 @@ typedef enum
     MODE_LOOP,  //
 } e_program_mode;
 
+/** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * COMPUTORV1.C
+ */
+
+void launch_computorv1(char *input);
+
 /** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * LEXER.C
  */
diff --git a/src/computorv1.c b/src/launcher.c
similarity index 50%
rename from src/computorv1.c
rename to src/launcher.c
index 29e5eba..7206aa1 100644
--- a/src/computorv1.c
+++ b/src/launcher.c
@@ -2,22 +2,6 @@
 
 #include "computorv1.h"
 
-/**
- * GLOBALS
- */
-
-bool flag_debug_mode;
-bool flag_loop_mode;
-char *input_g_err;
-s_token *tokens_g_err;
-s_term *terms_g_err;
-double *polynom_g_err;
-int polynom_len_g_err;
-
-/**
- * PROGRAM
- */
-
 static void remove_spaces(char *s)
 {
     char *read = s;
@@ -114,7 +98,7 @@ static void polynom_fill_null(double *polynom, int len)
     }
 }
 
-static void launch_argv(char *input)
+void launch_computorv1(char *input)
 {
     int ret;
     int max_exponent;
@@ -160,145 +144,3 @@ static void launch_argv(char *input)
     // debug
     print_state();
 }
-
-// trim spaces and quotes and newlines
-static void clean_copy_input(char *input, char *line)
-{
-    size_t i;
-    size_t j;
-    size_t len;
-    size_t len_trim_end;
-    size_t len_trim_start;
-
-    len = ft_strlen(line);
-
-    // get len minus : ' | " | \n | <space>
-    i = len;
-    while (i > 0)
-    {
-        if (ft_strchr("\"\'\n", line[i]))
-            i--;
-        if (ft_isspace(line[i]))
-            i--;
-        break;
-    }
-    len_trim_end = i;
-
-    // get len of leading chars : ' | " | <space> | \n
-    i = 0;
-    while (i < len_trim_end)
-    {
-        if (ft_strchr("\"\'\n", line[i]))
-            i++;
-        if (ft_isspace(line[i]))
-            i++;
-        break;
-    }
-    len_trim_start = i;
-
-    // copy into input
-    i = len_trim_start;
-    j = 0;
-    while (i <= len_trim_end)
-    {
-        input[j] = line[i];
-        j++;
-        i++;
-    }
-    input[j] = '\0';
-}
-
-static void launch_stdin()
-{
-    char *line;
-    size_t len;
-
-    line = NULL;
-    len = 0;
-
-    // get input
-    getline(&line, &len, stdin);
-
-    // prepare input
-    char input[len];
-    clean_copy_input(input, line);
-
-    // launch input
-    launch_argv(input);
-
-    // FREE LINE !
-    free(line);
-}
-
-static void launch_stdin_loop()
-{
-    while (1)
-    {
-    }
-}
-
-int main(int ac, char **av)
-{
-    int i;
-    char *input;
-    e_program_mode program_mode;
-
-    // init flags
-    flag_debug_mode = false;
-    flag_loop_mode = false;
-
-    // check arguments
-    program_mode = MODE_ARGV;
-    if (ac == 1)
-    {
-        program_mode = MODE_STDIN;
-    }
-    else if (ac > 1)
-    {
-        // get flags
-        input = NULL;
-        i = 1;
-        while (i < ac)
-        {
-            if ((ft_strcmp(av[i], "-d") == 0))
-            {
-                flag_debug_mode = true;
-            }
-            else if ((ft_strcmp(av[i], "-l") == 0))
-            {
-                flag_loop_mode = true;
-                program_mode = MODE_LOOP;
-            }
-            else if (ft_strlen(av[i]) == 2 && av[i][0] == '-')
-            {
-                stop_errors("unknwon flag '%s'", av[i]);
-            }
-            else
-            {
-                input = av[i];
-            }
-            i++;
-        }
-        // if input was not set, it means interactiv mode
-        if (input == NULL)
-        {
-            program_mode = MODE_STDIN;
-        }
-    }
-
-    // launch calculator
-    if (program_mode == MODE_ARGV)
-    {
-        launch_argv(input);
-    }
-    else if (program_mode == MODE_STDIN)
-    {
-        launch_stdin();
-    }
-    else if (program_mode == MODE_LOOP)
-    {
-        launch_stdin_loop();
-    }
-
-    return (0);
-}
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..aebc1e3
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,161 @@
+/* main.c */
+
+#include "computorv1.h"
+
+/**
+ * GLOBALS
+ */
+
+bool flag_debug_mode;
+bool flag_loop_mode;
+char *input_g_err;
+s_token *tokens_g_err;
+s_term *terms_g_err;
+double *polynom_g_err;
+int polynom_len_g_err;
+
+/**
+ * PROGRAM
+ */
+
+// trim spaces and quotes and newlines
+static void clean_copy_input(char *input, char *line)
+{
+    size_t i;
+    size_t j;
+    size_t len;
+    size_t len_trim_end;
+    size_t len_trim_start;
+
+    len = ft_strlen(line);
+
+    // get len minus : ' | " | \n | <space>
+    i = len;
+    while (i > 0)
+    {
+        if (ft_strchr("\"\'\n", line[i]))
+            i--;
+        if (ft_isspace(line[i]))
+            i--;
+        break;
+    }
+    len_trim_end = i;
+
+    // get len of leading chars : ' | " | <space> | \n
+    i = 0;
+    while (i < len_trim_end)
+    {
+        if (ft_strchr("\"\'\n", line[i]))
+            i++;
+        if (ft_isspace(line[i]))
+            i++;
+        break;
+    }
+    len_trim_start = i;
+
+    // copy into input
+    i = len_trim_start;
+    j = 0;
+    while (i <= len_trim_end)
+    {
+        input[j] = line[i];
+        j++;
+        i++;
+    }
+    input[j] = '\0';
+}
+
+static void launch_stdin()
+{
+    char *line;
+    size_t len;
+
+    line = NULL;
+    len = 0;
+
+    // get input
+    getline(&line, &len, stdin);
+
+    // prepare input
+    char input[len];
+    clean_copy_input(input, line);
+
+    // launch input
+    launch_computorv1(input);
+
+    // FREE LINE !
+    free(line);
+}
+
+static void launch_stdin_loop()
+{
+    while (1)
+    {
+    }
+}
+
+int main(int ac, char **av)
+{
+    int i;
+    char *input;
+    e_program_mode program_mode;
+
+    // init flags
+    flag_debug_mode = false;
+    flag_loop_mode = false;
+
+    // check arguments
+    program_mode = MODE_ARGV;
+    if (ac == 1)
+    {
+        program_mode = MODE_STDIN;
+    }
+    else if (ac > 1)
+    {
+        // get flags
+        input = NULL;
+        i = 1;
+        while (i < ac)
+        {
+            if ((ft_strcmp(av[i], "-d") == 0))
+            {
+                flag_debug_mode = true;
+            }
+            else if ((ft_strcmp(av[i], "-l") == 0))
+            {
+                flag_loop_mode = true;
+                program_mode = MODE_LOOP;
+            }
+            else if (ft_strlen(av[i]) == 2 && av[i][0] == '-')
+            {
+                stop_errors("unknwon flag '%s'", av[i]);
+            }
+            else
+            {
+                input = av[i];
+            }
+            i++;
+        }
+        // if input was not set, it means interactiv mode
+        if (input == NULL)
+        {
+            program_mode = MODE_STDIN;
+        }
+    }
+
+    // launch calculator
+    if (program_mode == MODE_ARGV)
+    {
+        launch_computorv1(input);
+    }
+    else if (program_mode == MODE_STDIN)
+    {
+        launch_stdin();
+    }
+    else if (program_mode == MODE_LOOP)
+    {
+        launch_stdin_loop();
+    }
+
+    return (0);
+}
diff --git a/src/reduce.c b/src/reducer.c
similarity index 100%
rename from src/reduce.c
rename to src/reducer.c