diff --git a/TODO b/TODO
index 28997a5..6ffacc9 100755
--- a/TODO
+++ b/TODO
@@ -2,12 +2,10 @@
 * JSON output => do index view
 * API
 * Reattribute all invoices / paybacks to unknown user when deleting a user ?
-* Check that all is ok when deleting an invoice
-* Use PHP constant in tpl instead of variables
 * User groups
 * cf TODO in files
 
 Manage paybacks :
 =================
-* TODO : Payback system (class should be ok)
+* TODO : Index balance table
 * TODO : Global payback
diff --git a/inc/Invoices.class.php b/inc/Invoices.class.php
index 3e37472..b7fe77e 100644
--- a/inc/Invoices.class.php
+++ b/inc/Invoices.class.php
@@ -85,6 +85,12 @@
             $this->users_in->set($users_in);
         }
 
+        // Get the amount to pay by person
+        // ===============================
+        public function getAmountPerPerson() {
+            return round($this->amount / count($this->users_in->get()), 2);
+        }
+
         // Maps htmlspecialchars on the class before display
         // =================================================
         public function secureDisplay() {
diff --git a/index.php b/index.php
index 929b32f..a3db930 100644
--- a/index.php
+++ b/index.php
@@ -569,9 +569,23 @@
                     $paybacks[$invoice->getId()] = $paybacks[$invoice->getId()]->load(array('invoice_id'=>$invoice->getId()), false, 'from_user');
                 }
 
+                $balances = array();
+                foreach($users_list as $user1) {
+                    foreach($users_list as $user2) {
+                        if($user1->getId() == $user2->getId()) {
+                            $balances[$user1->getId()][$user2->getId()] = 'X';
+                        }
+                        else {
+                            // TODO : Balances between users
+                            $balances[$user1->getId()][$user2->getId()] = '';
+                        }
+                    }
+                }
+
                 $tpl->assign('users', secureDisplay($users_list));
                 $tpl->assign('invoices', secureDisplay($invoices_list));
                 $tpl->assign('paybacks', secureDisplay($paybacks));
+                $tpl->assign('balances', secureDisplay($balances));
 
                 // Cache the page (1 month to make it almost permanent and only regenerate it upon new invoice)
                 $tpl->cache('index', 108000, $current_user->getLogin());
diff --git a/tpl/default_en/index.html b/tpl/default_en/index.html
index c9e98c3..5d1c96b 100755
--- a/tpl/default_en/index.html
+++ b/tpl/default_en/index.html
@@ -18,7 +18,7 @@
             <tr>
                 <th>{$value->getDisplayName()}</th>
                 {loop="users"}
-                    <td><a href="">{$value->getDisplayName()}</a></td>
+                    <td>{$balances[$value1->getId()][$value2->getId()]}</td>
                 {/loop}
             </tr>
         {/loop}
@@ -55,13 +55,12 @@
                                 {if condition="$current_user->getId() == $value1->getBuyer() || $current_user->getAdmin()"}
                                     <a href="?do=confirm_payback&amp;from={$key2}&amp;to={$value1->getBuyer()}&amp;invoice_id={$value1->getId()}" title="Confirm payback">
                                 {/if}
-                                    Remains {$value1->getAmount()} {$currency}
+                                    Remains {$value1->getAmountPerPerson()} {$currency}
                                 {if condition="$current_user->getId() == $value1->getBuyer() || $current_user->getAdmin()"}
                                     </a>
                                 {/if}
                             {else}
-                                {* TODO : partial payback *}
-                                {if condition="$paybacks[$value1->getId()][$key2]->getAmount() == $value1->getAmount()"}
+                                {if condition="$paybacks[$value1->getId()][$key2]->getAmount() == $value1->getAmountPerPerson()"}
                                     {if condition="$current_user->getId() == $value1->getBuyer() || $current_user->getAdmin()"}
                                         <a href="?do=delete_payback&amp;from={$key2}&amp;to={$value1->getBuyer()}&amp;invoice_id={$value1->getId()}" title="Delete payback">
                                     {/if}
@@ -73,7 +72,7 @@
                                     {if condition="$current_user->getId() == $value1->getBuyer() || $current_user->getAdmin()"}
                                         <a href="?do=confirm_payback&amp;from={$key2}&amp;to={$value1->getBuyer()}&amp;invoice_id={$value1->getId()}&amp;payback_id={$paybacks[$value1->getId()][$key2]->getId()}" title="Confirm payback">
                                     {/if}
-                                        Remains {$value1->getAmount() - $paybacks[$value1->getId()][$key2]->getAmount()}{$currency}
+                                        Remains {$value1->getAmountPerPerson() - $paybacks[$value1->getId()][$key2]->getAmount()}{$currency}
                                     {if condition="$current_user->getId() == $value1->getBuyer() || $current_user->getAdmin()"}
                                         </a>
                                     {/if}