diff --git a/src/launcher.c b/src/launcher.c
index d5cb108..7f9bffd 100644
--- a/src/launcher.c
+++ b/src/launcher.c
@@ -175,6 +175,7 @@ void launch_computorv1(char *input)
     // solve
     s_solution solution[1];
     solution_g_err = solution;
+    ft_bzero(solution, sizeof(solution));
     solution[0].degree = degree;
     solve(polynom, solution);
 
diff --git a/src/utils/errors.c b/src/utils/errors.c
index 1bc55f0..362bbdd 100644
--- a/src/utils/errors.c
+++ b/src/utils/errors.c
@@ -80,25 +80,26 @@ static void print_context_solution()
         dprintf(STDERR_FILENO, "                         delta == 0       ( -b / 2a               )\n");
         dprintf(STDERR_FILENO, "                         delta < 0        ( -b / 2a +- i√|Δ| / 2a )\n");
 
-        dprintf(STDERR_FILENO, "a                      : %15g\n", solution_2.a);
-        dprintf(STDERR_FILENO, "b                      : %15g\n", solution_2.b);
-        dprintf(STDERR_FILENO, "c                      : %15g\n", solution_2.c);
+        dprintf(STDERR_FILENO, "a                      : %15g  ( a                     )\n", solution_2.a);
+        dprintf(STDERR_FILENO, "b                      : %15g  ( b                     )\n", solution_2.b);
+        dprintf(STDERR_FILENO, "c                      : %15g  ( c                     )\n", solution_2.c);
 
-        dprintf(STDERR_FILENO, "delta_sign             : %15s\n", delta_sign_to_str(solution_2.delta_sign));
+        dprintf(STDERR_FILENO, "delta_sign             : %15s  (  '-' || '+' || '0'    )\n", delta_sign_to_str(solution_2.delta_sign));
         dprintf(STDERR_FILENO, "delta_absolute         : %15g  (  |Δ| == |b² - 4ac|    )\n", solution_2.delta_absolute);
         dprintf(STDERR_FILENO, "delta_sqrt             : %15g  ( √|Δ|                  )\n", solution_2.delta_sqrt);
 
-        dprintf(STDERR_FILENO, "first_term_gcd         : %15i\n", solution_2.first_term_gcd);
+        dprintf(STDERR_FILENO, "first_term_gcd         : %15i  ( gcd( b, 2a )          )\n", solution_2.first_term_gcd);
         dprintf(STDERR_FILENO, "first_term_numerator   : %15i  ( -b / gcd              )\n", solution_2.first_term_numerator);
         dprintf(STDERR_FILENO, "first_term_denominator : %15i  ( 2a / gcd              )\n", solution_2.first_term_denominator);
         dprintf(STDERR_FILENO, "first_term             : %15g  ( -b / 2a               )\n", solution_2.first_term);
 
-        dprintf(STDERR_FILENO, "second_term_gcd        : %15i\n", solution_2.second_term_gcd);
-        // dprintf(STDERR_FILENO, "second_term_numerator  : %15g\n", solution_2.second_term_numerator);
-        // dprintf(STDERR_FILENO, "second_term_denominator: %15g\n", solution_2.second_term_denominator);
-        // dprintf(STDERR_FILENO, "second_term            : %15g\n", solution_2.second_term);
-        // dprintf(STDERR_FILENO, "solution1              : %15g\n", solution_2.solution1);
-        // dprintf(STDERR_FILENO, "solution2              : %15g\n", solution_2.solution2);
+        dprintf(STDERR_FILENO, "second_term_gcd        : %15i  ( gcd(√|Δ|, 2a )        )\n", solution_2.second_term_gcd);
+        dprintf(STDERR_FILENO, "second_term_numerator  : %15i  ( √|Δ| / gcd            )\n", solution_2.second_term_numerator);
+        dprintf(STDERR_FILENO, "second_term_denominator: %15i  (   2a / gcd            )\n", solution_2.second_term_denominator);
+        dprintf(STDERR_FILENO, "second_term            : %15g  ( √|Δ| / 2a             )\n", solution_2.second_term);
+
+        dprintf(STDERR_FILENO, "solution1              : %15g  (                       )\n", solution_2.solution1);
+        dprintf(STDERR_FILENO, "solution2              : %15g  (                       )\n", solution_2.solution2);
     }
 
     ft_putchar_fd('\n', STDERR_FILENO);