diff --git a/gaboshlib/g_median.sh b/gaboshlib/g_median.sh
index 75d90b4..d61c7c7 100644
--- a/gaboshlib/g_median.sh
+++ b/gaboshlib/g_median.sh
@@ -13,14 +13,18 @@ function g_median {
   # calculate the middle
   local g_middle=$((g_num_elements/2))
 
-#  local g_median
-#  if ((g_num_elements % 2 == 1))
-#  then
-#    g_median=${g_sorted_numbers[g_middle]}
-#  else
-#    g_calc "(${g_sorted_numbers[g_middle - 1]} + ${g_sorted_numbers[g_middle]}) / 2"
-#    g_median=$g_calc_result
-#  fi
+  local g_median
+  # even/odd number 
+  if ((g_num_elements % 2 == 1))
+  then
+    # odd number
+    echo "g_middle=$g_middle"
+    g_median=${g_sorted_numbers[g_middle]}
+  else
+    # even number
+    g_calc "(${g_sorted_numbers[g_middle - 1]} + ${g_sorted_numbers[g_middle]}) / 2"
+    g_median=$g_calc_result
+  fi
 
-  g_median_result=${g_sorted_numbers[g_middle]}
+  g_median_result=$g_median
 }