diff --git a/htdocs/adherents/stats/index.php b/htdocs/adherents/stats/index.php
index 5cad21cdd71..9955466b158 100644
--- a/htdocs/adherents/stats/index.php
+++ b/htdocs/adherents/stats/index.php
@@ -81,7 +81,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
     $px1->SetData($data);
-    $px1->SetPrecisionY(0);
     $i=$startyear;
     while ($i <= $endyear)
     {
@@ -96,7 +95,6 @@ if (! $mesg)
     $px1->SetYLabel($langs->trans("NbOfSubscriptions"));
     $px1->SetShading(3);
     $px1->SetHorizTickIncrement(1);
-    $px1->SetPrecisionY(0);
     $px1->mode='depth';
     $px1->SetTitle($langs->trans("NbOfSubscriptions"));
 
@@ -116,7 +114,6 @@ $mesg = $px2->isGraphKo();
 if (! $mesg)
 {
     $px2->SetData($data);
-    $px2->SetPrecisionY(0);
     $i=$startyear;
     while ($i <= $endyear)
     {
@@ -131,7 +128,6 @@ if (! $mesg)
     $px2->SetYLabel($langs->trans("AmountOfSubscriptions"));
     $px2->SetShading(3);
     $px2->SetHorizTickIncrement(1);
-    $px2->SetPrecisionY(0);
     $px2->mode='depth';
     $px2->SetTitle($langs->trans("AmountOfSubscriptions"));
 
diff --git a/htdocs/comm/propal/stats/index.php b/htdocs/comm/propal/stats/index.php
index aa47f1c226d..13b7b5fa2d2 100644
--- a/htdocs/comm/propal/stats/index.php
+++ b/htdocs/comm/propal/stats/index.php
@@ -110,7 +110,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
     $px1->SetData($data);
-    $px1->SetPrecisionY(0);
     $i=$startyear;$legend=array();
     while ($i <= $endyear)
     {
@@ -125,7 +124,6 @@ if (! $mesg)
     $px1->SetYLabel($langs->trans("NbOfProposals"));
     $px1->SetShading(3);
     $px1->SetHorizTickIncrement(1);
-    $px1->SetPrecisionY(0);
     $px1->mode='depth';
     $px1->SetTitle($langs->trans("NumberOfProposalsByMonth"));
 
@@ -152,7 +150,6 @@ $mesg = $px2->isGraphKo();
 if (! $mesg)
 {
     $px2->SetData($data);
-    $px2->SetPrecisionY(0);
     $i=$startyear;$legend=array();
     while ($i <= $endyear)
     {
@@ -167,7 +164,6 @@ if (! $mesg)
     $px2->SetYLabel($langs->trans("AmountOfProposals"));
     $px2->SetShading(3);
     $px2->SetHorizTickIncrement(1);
-    $px2->SetPrecisionY(0);
     $px2->mode='depth';
     $px2->SetTitle($langs->trans("AmountOfProposalsByMonthHT"));
 
@@ -209,7 +205,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/commande/stats/index.php b/htdocs/commande/stats/index.php
index 81a477d07c5..1d2936263b8 100644
--- a/htdocs/commande/stats/index.php
+++ b/htdocs/commande/stats/index.php
@@ -119,7 +119,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
     $px1->SetData($data);
-    $px1->SetPrecisionY(0);
     $i=$startyear;$legend=array();
     while ($i <= $endyear)
     {
@@ -134,7 +133,6 @@ if (! $mesg)
     $px1->SetYLabel($langs->trans("NbOfOrder"));
     $px1->SetShading(3);
     $px1->SetHorizTickIncrement(1);
-    $px1->SetPrecisionY(0);
     $px1->mode='depth';
     $px1->SetTitle($langs->trans("NumberOfOrdersByMonth"));
 
@@ -178,7 +176,6 @@ if (! $mesg)
     $px2->SetYLabel($langs->trans("AmountOfOrders"));
     $px2->SetShading(3);
     $px2->SetHorizTickIncrement(1);
-    $px2->SetPrecisionY(0);
     $px2->mode='depth';
     $px2->SetTitle($langs->trans("AmountOfOrdersByMonthHT"));
 
@@ -220,7 +217,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/compta/bank/annuel.php b/htdocs/compta/bank/annuel.php
index c4352b3b97e..6643a9f97fb 100644
--- a/htdocs/compta/bank/annuel.php
+++ b/htdocs/compta/bank/annuel.php
@@ -384,7 +384,6 @@ else
 	$px1->setBgColor('onglet');
 	$px1->setBgColorGrid(array(255,255,255));
 	$px1->SetHorizTickIncrement(1);
-	$px1->SetPrecisionY(0);
 	$px1->draw($file, $fileurl);
 
 	$show1 = $px1->show();
@@ -471,7 +470,6 @@ else
 	$px2->setBgColor('onglet');
 	$px2->setBgColorGrid(array(255,255,255));
 	$px2->SetHorizTickIncrement(1);
-	$px2->SetPrecisionY(0);
 	$px2->draw($file, $fileurl);
 
 	$show2 = $px2->show();
diff --git a/htdocs/compta/bank/graph.php b/htdocs/compta/bank/graph.php
index cf355beeb77..cdd346c889f 100644
--- a/htdocs/compta/bank/graph.php
+++ b/htdocs/compta/bank/graph.php
@@ -252,7 +252,6 @@ else
 		$px1->setBgColor('onglet');
 		$px1->setBgColorGrid(array(255,255,255));
 		$px1->SetHorizTickIncrement(1);
-		$px1->SetPrecisionY(0);
 		$px1->draw($file, $fileurl);
 
 		$show1=$px1->show();
@@ -389,7 +388,6 @@ else
 		$px2->setBgColorGrid(array(255,255,255));
 		$px2->SetHideXGrid(true);
 		//$px2->SetHorizTickIncrement(30.41);	// 30.41 jours/mois en moyenne
-		$px2->SetPrecisionY(0);
 		$px2->draw($file, $fileurl);
 
 		$show2=$px2->show();
@@ -503,7 +501,6 @@ else
 		$px3->SetType(array('linesnopoint','linesnopoint','linesnopoint'));
 		$px3->setBgColor('onglet');
 		$px3->setBgColorGrid(array(255,255,255));
-		$px3->SetPrecisionY(0);
 		$px3->draw($file, $fileurl);
 
 		$show3=$px3->show();
@@ -633,7 +630,6 @@ else
 		$px4->setBgColor('onglet');
 		$px4->setBgColorGrid(array(255,255,255));
 		$px4->SetHorizTickIncrement(1);
-		$px4->SetPrecisionY(0);
 		$px4->draw($file, $fileurl);
 
 		$show4=$px4->show();
@@ -742,7 +738,6 @@ else
 		$px5->setBgColor('onglet');
 		$px5->setBgColorGrid(array(255,255,255));
 		$px5->SetHorizTickIncrement(1);
-		$px5->SetPrecisionY(0);
 		$px5->draw($file, $fileurl);
 
 		$show5=$px5->show();
diff --git a/htdocs/compta/deplacement/stats/index.php b/htdocs/compta/deplacement/stats/index.php
index 33bec241d48..830a1bc7e4c 100644
--- a/htdocs/compta/deplacement/stats/index.php
+++ b/htdocs/compta/deplacement/stats/index.php
@@ -107,7 +107,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
 	$px1->SetData($data);
-	$px1->SetPrecisionY(0);
 	$i=$startyear;$legend=array();
 	while ($i <= $endyear)
 	{
@@ -121,7 +120,6 @@ if (! $mesg)
 	$px1->SetYLabel($langs->trans("Number"));
 	$px1->SetShading(3);
 	$px1->SetHorizTickIncrement(1);
-	$px1->SetPrecisionY(0);
 	$px1->mode='depth';
 	$px1->SetTitle($langs->trans("NumberByMonth"));
 
@@ -155,7 +153,6 @@ if (! $mesg)
 	$px2->SetYLabel($langs->trans("Amount"));
 	$px2->SetShading(3);
 	$px2->SetHorizTickIncrement(1);
-	$px2->SetPrecisionY(0);
 	$px2->mode='depth';
 	$px2->SetTitle($langs->trans("AmountTotal"));
 
@@ -197,7 +194,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/compta/facture/stats/index.php b/htdocs/compta/facture/stats/index.php
index 5d8fee98676..99abd48cb49 100644
--- a/htdocs/compta/facture/stats/index.php
+++ b/htdocs/compta/facture/stats/index.php
@@ -103,7 +103,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
 	$px1->SetData($data);
-	$px1->SetPrecisionY(0);
 	$i=$startyear;$legend=array();
 	while ($i <= $endyear)
 	{
@@ -117,7 +116,6 @@ if (! $mesg)
 	$px1->SetYLabel($langs->trans("NumberOfBills"));
 	$px1->SetShading(3);
 	$px1->SetHorizTickIncrement(1);
-	$px1->SetPrecisionY(0);
 	$px1->mode='depth';
 	$px1->SetTitle($langs->trans("NumberOfBillsByMonth"));
 
@@ -152,7 +150,6 @@ if (! $mesg)
 	$px2->SetYLabel($langs->trans("AmountOfBills"));
 	$px2->SetShading(3);
 	$px2->SetHorizTickIncrement(1);
-	$px2->SetPrecisionY(0);
 	$px2->mode='depth';
 	$px2->SetTitle($langs->trans("AmountOfBillsByMonthHT"));
 
@@ -194,7 +191,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/compta/salaries/stats/index.php b/htdocs/compta/salaries/stats/index.php
index 0c64ed5865e..d6f94427cce 100644
--- a/htdocs/compta/salaries/stats/index.php
+++ b/htdocs/compta/salaries/stats/index.php
@@ -83,7 +83,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
 	$px1->SetData($data);
-	$px1->SetPrecisionY(0);
 	$i=$startyear;$legend=array();
 	while ($i <= $endyear)
 	{
@@ -97,7 +96,6 @@ if (! $mesg)
 	$px1->SetYLabel($langs->trans("Number"));
 	$px1->SetShading(3);
 	$px1->SetHorizTickIncrement(1);
-	$px1->SetPrecisionY(0);
 	$px1->mode='depth';
 	$px1->SetTitle($langs->trans("NumberByMonth"));
 
@@ -131,7 +129,6 @@ if (! $mesg)
 	$px2->SetYLabel($langs->trans("Amount"));
 	$px2->SetShading(3);
 	$px2->SetHorizTickIncrement(1);
-	$px2->SetPrecisionY(0);
 	$px2->mode='depth';
 	$px2->SetTitle($langs->trans("AmountTotal"));
 
@@ -163,7 +160,6 @@ if (! $mesg)
 	$px3->SetHeight($HEIGHT);
 	$px3->SetShading(3);
 	$px3->SetHorizTickIncrement(1);
-	$px3->SetPrecisionY(0);
 	$px3->mode='depth';
 	$px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/core/boxes/box_graph_invoices_permonth.php b/htdocs/core/boxes/box_graph_invoices_permonth.php
index 4323661370c..4ece2eae661 100644
--- a/htdocs/core/boxes/box_graph_invoices_permonth.php
+++ b/htdocs/core/boxes/box_graph_invoices_permonth.php
@@ -143,7 +143,6 @@ class box_graph_invoices_permonth extends ModeleBoxes
 
 				    $px1->SetData($data1);
 					unset($data1);
-					$px1->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -157,7 +156,6 @@ class box_graph_invoices_permonth extends ModeleBoxes
 					$px1->SetYLabel($langs->trans("NumberOfBills"));
 					$px1->SetShading(3);
 					$px1->SetHorizTickIncrement(1);
-					$px1->SetPrecisionY(0);
 					$px1->SetCssPrefix("cssboxes");
 					$px1->mode='depth';
 					$px1->SetTitle($langs->trans("NumberOfBillsByMonth"));
@@ -183,7 +181,6 @@ class box_graph_invoices_permonth extends ModeleBoxes
 
 					$px2->SetData($data2);
 					unset($data2);
-					$px2->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -197,7 +194,6 @@ class box_graph_invoices_permonth extends ModeleBoxes
 					$px2->SetYLabel($langs->trans("AmountOfBillsHT"));
 					$px2->SetShading(3);
 					$px2->SetHorizTickIncrement(1);
-					$px2->SetPrecisionY(0);
 					$px2->SetCssPrefix("cssboxes");
 					$px2->mode='depth';
 					$px2->SetTitle($langs->trans("AmountOfBillsByMonthHT"));
diff --git a/htdocs/core/boxes/box_graph_invoices_supplier_permonth.php b/htdocs/core/boxes/box_graph_invoices_supplier_permonth.php
index bba5185c94a..4e7849ab048 100644
--- a/htdocs/core/boxes/box_graph_invoices_supplier_permonth.php
+++ b/htdocs/core/boxes/box_graph_invoices_supplier_permonth.php
@@ -140,7 +140,6 @@ class box_graph_invoices_supplier_permonth extends ModeleBoxes
 
 				    $px1->SetData($data1);
 					unset($data1);
-					$px1->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -154,7 +153,6 @@ class box_graph_invoices_supplier_permonth extends ModeleBoxes
 					$px1->SetYLabel($langs->trans("NumberOfBills"));
 					$px1->SetShading(3);
 					$px1->SetHorizTickIncrement(1);
-					$px1->SetPrecisionY(0);
 					$px1->SetCssPrefix("cssboxes");
 					$px1->mode='depth';
 					$px1->SetTitle($langs->trans("NumberOfBillsByMonth"));
@@ -180,7 +178,6 @@ class box_graph_invoices_supplier_permonth extends ModeleBoxes
 
 					$px2->SetData($data2);
 					unset($data2);
-					$px2->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -194,7 +191,6 @@ class box_graph_invoices_supplier_permonth extends ModeleBoxes
 					$px2->SetYLabel($langs->trans("AmountOfBillsHT"));
 					$px2->SetShading(3);
 					$px2->SetHorizTickIncrement(1);
-					$px2->SetPrecisionY(0);
 					$px2->SetCssPrefix("cssboxes");
 					$px2->mode='depth';
 					$px2->SetTitle($langs->trans("AmountOfBillsByMonthHT"));
diff --git a/htdocs/core/boxes/box_graph_orders_permonth.php b/htdocs/core/boxes/box_graph_orders_permonth.php
index b06558393aa..3ba42cc6d0a 100644
--- a/htdocs/core/boxes/box_graph_orders_permonth.php
+++ b/htdocs/core/boxes/box_graph_orders_permonth.php
@@ -141,7 +141,6 @@ class box_graph_orders_permonth extends ModeleBoxes
 				{
 					$px1->SetData($data1);
 					unset($data1);
-					$px1->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -155,7 +154,6 @@ class box_graph_orders_permonth extends ModeleBoxes
 					$px1->SetYLabel($langs->trans("NumberOfOrders"));
 					$px1->SetShading(3);
 					$px1->SetHorizTickIncrement(1);
-					$px1->SetPrecisionY(0);
 					$px1->SetCssPrefix("cssboxes");
 					$px1->mode='depth';
 					$px1->SetTitle($langs->trans("NumberOfOrdersByMonth"));
@@ -179,7 +177,6 @@ class box_graph_orders_permonth extends ModeleBoxes
 				{
 					$px2->SetData($data2);
 					unset($data2);
-					$px2->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -193,7 +190,6 @@ class box_graph_orders_permonth extends ModeleBoxes
 					$px2->SetYLabel($langs->trans("AmountOfOrdersHT"));
 					$px2->SetShading(3);
 					$px2->SetHorizTickIncrement(1);
-					$px2->SetPrecisionY(0);
 					$px2->SetCssPrefix("cssboxes");
 					$px2->mode='depth';
 					$px2->SetTitle($langs->trans("AmountOfOrdersByMonthHT"));
diff --git a/htdocs/core/boxes/box_graph_orders_supplier_permonth.php b/htdocs/core/boxes/box_graph_orders_supplier_permonth.php
index 9cb11aed7c1..6bfc47c504d 100644
--- a/htdocs/core/boxes/box_graph_orders_supplier_permonth.php
+++ b/htdocs/core/boxes/box_graph_orders_supplier_permonth.php
@@ -140,7 +140,6 @@ class box_graph_orders_supplier_permonth extends ModeleBoxes
 				{
 					$px1->SetData($data1);
 					unset($data1);
-					$px1->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -154,7 +153,6 @@ class box_graph_orders_supplier_permonth extends ModeleBoxes
 					$px1->SetYLabel($langs->trans("NumberOfOrders"));
 					$px1->SetShading(3);
 					$px1->SetHorizTickIncrement(1);
-					$px1->SetPrecisionY(0);
 					$px1->SetCssPrefix("cssboxes");
 					$px1->mode='depth';
 					$px1->SetTitle($langs->trans("NumberOfOrdersByMonth"));
@@ -178,7 +176,6 @@ class box_graph_orders_supplier_permonth extends ModeleBoxes
 				{
 					$px2->SetData($data2);
 					unset($data2);
-					$px2->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -192,7 +189,6 @@ class box_graph_orders_supplier_permonth extends ModeleBoxes
 					$px2->SetYLabel($langs->trans("AmountOfOrdersHT"));
 					$px2->SetShading(3);
 					$px2->SetHorizTickIncrement(1);
-					$px2->SetPrecisionY(0);
 					$px2->SetCssPrefix("cssboxes");
 					$px2->mode='depth';
 					$px2->SetTitle($langs->trans("AmountOfOrdersByMonthHT"));
diff --git a/htdocs/core/boxes/box_graph_product_distribution.php b/htdocs/core/boxes/box_graph_product_distribution.php
index 0fe5c66d532..e085cd82f07 100644
--- a/htdocs/core/boxes/box_graph_product_distribution.php
+++ b/htdocs/core/boxes/box_graph_product_distribution.php
@@ -171,7 +171,6 @@ class box_graph_product_distribution extends ModeleBoxes
 					unset($data1);
 
 					if ($nocolor) $px1->SetDataColor(array(array(220,220,220)));
-					$px1->SetPrecisionY(0);
 					$px1->SetLegend($legend);
 					$px1->setShowLegend(0);
 					$px1->setShowPointValue($showpointvalue);
@@ -182,7 +181,6 @@ class box_graph_product_distribution extends ModeleBoxes
 					//$px1->SetYLabel($langs->trans("NumberOfBills"));
 					$px1->SetShading(3);
 					$px1->SetHorizTickIncrement(1);
-					$px1->SetPrecisionY(0);
 					$px1->SetCssPrefix("cssboxes");
 					//$px1->mode='depth';
 					$px1->SetType(array('pie'));
@@ -231,7 +229,6 @@ class box_graph_product_distribution extends ModeleBoxes
 					unset($data2);
 
 					if ($nocolor) $px2->SetDataColor(array(array(220,220,220)));
-					$px2->SetPrecisionY(0);
 					$px2->SetLegend($legend);
 					$px2->setShowLegend(0);
 					$px2->setShowPointValue($showpointvalue);
@@ -242,7 +239,6 @@ class box_graph_product_distribution extends ModeleBoxes
 					//$px2->SetYLabel($langs->trans("AmountOfBillsHT"));
 					$px2->SetShading(3);
 					$px2->SetHorizTickIncrement(1);
-					$px2->SetPrecisionY(0);
 					$px2->SetCssPrefix("cssboxes");
 					//$px2->mode='depth';
 					$px2->SetType(array('pie'));
@@ -292,7 +288,6 @@ class box_graph_product_distribution extends ModeleBoxes
 					unset($data3);
 
 					if ($nocolor) $px3->SetDataColor(array(array(220,220,220)));
-					$px3->SetPrecisionY(0);
 					$px3->SetLegend($legend);
 					$px3->setShowLegend(0);
 					$px3->setShowPointValue($showpointvalue);
@@ -303,7 +298,6 @@ class box_graph_product_distribution extends ModeleBoxes
 					//$px3->SetYLabel($langs->trans("AmountOfBillsHT"));
 					$px3->SetShading(3);
 					$px3->SetHorizTickIncrement(1);
-					$px3->SetPrecisionY(0);
 					$px3->SetCssPrefix("cssboxes");
 					//$px3->mode='depth';
 					$px3->SetType(array('pie'));
diff --git a/htdocs/core/boxes/box_graph_propales_permonth.php b/htdocs/core/boxes/box_graph_propales_permonth.php
index b21381473c2..9ced39271d0 100644
--- a/htdocs/core/boxes/box_graph_propales_permonth.php
+++ b/htdocs/core/boxes/box_graph_propales_permonth.php
@@ -141,7 +141,6 @@ class box_graph_propales_permonth extends ModeleBoxes
 					$px1->SetType($datatype1);
 					$px1->SetData($data1);
 					unset($data1);
-					$px1->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -155,7 +154,6 @@ class box_graph_propales_permonth extends ModeleBoxes
 					$px1->SetYLabel($langs->trans("NumberOfProposals"));
 					$px1->SetShading(3);
 					$px1->SetHorizTickIncrement(1);
-					$px1->SetPrecisionY(0);
 					$px1->SetCssPrefix("cssboxes");
 					$px1->mode='depth';
 					$px1->SetTitle($langs->trans("NumberOfProposalsByMonth"));
@@ -182,7 +180,6 @@ class box_graph_propales_permonth extends ModeleBoxes
 					$px2->SetType($datatype2);
 					$px2->SetData($data2);
 					unset($data2);
-					$px2->SetPrecisionY(0);
 					$i=$startyear;$legend=array();
 					while ($i <= $endyear)
 					{
@@ -196,7 +193,6 @@ class box_graph_propales_permonth extends ModeleBoxes
 					$px2->SetYLabel($langs->trans("AmountOfProposalsHT"));
 					$px2->SetShading(3);
 					$px2->SetHorizTickIncrement(1);
-					$px2->SetPrecisionY(0);
 					$px2->SetCssPrefix("cssboxes");
 					$px2->mode='depth';
 					$px2->SetTitle($langs->trans("AmountOfProposalsByMonthHT"));
diff --git a/htdocs/core/class/dolgraph.class.php b/htdocs/core/class/dolgraph.class.php
index 8b7bc4acf18..060baee8d21 100644
--- a/htdocs/core/class/dolgraph.class.php
+++ b/htdocs/core/class/dolgraph.class.php
@@ -61,8 +61,6 @@ class DolGraph
 	public $MinValue=0;
 	public $SetShading=0;
 
-	public $PrecisionY=-1;
-
 	public $horizTickIncrement=-1;
 	public $SetNumXTicks=-1;
 	public $labelInterval=-1;
@@ -116,7 +114,6 @@ class DolGraph
 			if (! $isgdinstalled)
 			{
 				$this->error="Error: PHP GD module is not available. It is required to build graphics.";
-				return -1;
 			}
 		}
 
@@ -142,11 +139,11 @@ class DolGraph
 	 *
 	 * @param 	float	$which_prec		Precision
 	 * @return 	boolean
+	 * @deprecated
 	 */
 	public function SetPrecisionY($which_prec)
 	{
         // phpcs:enable
-		$this->PrecisionY = $which_prec;
 		return true;
 	}
 
diff --git a/htdocs/don/stats/index.php b/htdocs/don/stats/index.php
index 34c505cf849..0f568dbaf7b 100644
--- a/htdocs/don/stats/index.php
+++ b/htdocs/don/stats/index.php
@@ -86,7 +86,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
     $px1->SetData($data);
-    $px1->SetPrecisionY(0);
     $i=$startyear;$legend=array();
     while ($i <= $endyear)
     {
@@ -101,7 +100,6 @@ if (! $mesg)
     $px1->SetYLabel($langs->trans("NbOfSendings"));
     $px1->SetShading(3);
     $px1->SetHorizTickIncrement(1);
-    $px1->SetPrecisionY(0);
     $px1->mode='depth';
     $px1->SetTitle($langs->trans("NumberOfShipmentsByMonth"));
 
@@ -142,7 +140,6 @@ if (! $mesg)
     $px2->SetYLabel($langs->trans("AmountOfShipments"));
     $px2->SetShading(3);
     $px2->SetHorizTickIncrement(1);
-    $px2->SetPrecisionY(0);
     $px2->mode='depth';
     $px2->SetTitle($langs->trans("AmountOfShipmentsByMonthHT"));
 
@@ -181,7 +178,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/expedition/stats/index.php b/htdocs/expedition/stats/index.php
index 7fb7f647258..566b45a16ef 100644
--- a/htdocs/expedition/stats/index.php
+++ b/htdocs/expedition/stats/index.php
@@ -85,7 +85,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
     $px1->SetData($data);
-    $px1->SetPrecisionY(0);
     $i=$startyear;$legend=array();
     while ($i <= $endyear)
     {
@@ -100,7 +99,6 @@ if (! $mesg)
     $px1->SetYLabel($langs->trans("NbOfSendings"));
     $px1->SetShading(3);
     $px1->SetHorizTickIncrement(1);
-    $px1->SetPrecisionY(0);
     $px1->mode='depth';
     $px1->SetTitle($langs->trans("NumberOfShipmentsByMonth"));
 
@@ -141,7 +139,6 @@ if (! $mesg)
     $px2->SetYLabel($langs->trans("AmountOfShipments"));
     $px2->SetShading(3);
     $px2->SetHorizTickIncrement(1);
-    $px2->SetPrecisionY(0);
     $px2->mode='depth';
     $px2->SetTitle($langs->trans("AmountOfShipmentsByMonthHT"));
 
@@ -180,7 +177,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/expedition/stats/month.php b/htdocs/expedition/stats/month.php
index 5c448198980..650bb6f6338 100644
--- a/htdocs/expedition/stats/month.php
+++ b/htdocs/expedition/stats/month.php
@@ -61,7 +61,6 @@ if (! $mesg) {
     $px->SetYLabel($langs->trans("NbOfSendings"));
     $px->SetShading(3);
     $px->SetHorizTickIncrement(1);
-    $px->SetPrecisionY(0);
     $px->draw($filename, $fileurl);
 }
 
diff --git a/htdocs/expensereport/stats/index.php b/htdocs/expensereport/stats/index.php
index d79dd624e4f..eb3ec563481 100644
--- a/htdocs/expensereport/stats/index.php
+++ b/htdocs/expensereport/stats/index.php
@@ -91,7 +91,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
 	$px1->SetData($data);
-	$px1->SetPrecisionY(0);
 	$i=$startyear;$legend=array();
 	while ($i <= $endyear)
 	{
@@ -105,7 +104,6 @@ if (! $mesg)
 	$px1->SetYLabel($langs->trans("Number"));
 	$px1->SetShading(3);
 	$px1->SetHorizTickIncrement(1);
-	$px1->SetPrecisionY(0);
 	$px1->mode='depth';
 	$px1->SetTitle($langs->trans("NumberByMonth"));
 
@@ -139,7 +137,6 @@ if (! $mesg)
 	$px2->SetYLabel($langs->trans("Amount"));
 	$px2->SetShading(3);
 	$px2->SetHorizTickIncrement(1);
-	$px2->SetPrecisionY(0);
 	$px2->mode='depth';
 	$px2->SetTitle($langs->trans("AmountTotal"));
 
@@ -181,7 +178,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/fichinter/stats/index.php b/htdocs/fichinter/stats/index.php
index 9b0ceb754ee..096584d8936 100644
--- a/htdocs/fichinter/stats/index.php
+++ b/htdocs/fichinter/stats/index.php
@@ -93,7 +93,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
     $px1->SetData($data);
-    $px1->SetPrecisionY(0);
     $i=$startyear;$legend=array();
     while ($i <= $endyear)
     {
@@ -108,7 +107,6 @@ if (! $mesg)
     $px1->SetYLabel($langs->trans("NbOfIntervention"));
     $px1->SetShading(3);
     $px1->SetHorizTickIncrement(1);
-    $px1->SetPrecisionY(0);
     $px1->mode='depth';
     $px1->SetTitle($langs->trans("NumberOfInterventionsByMonth"));
 
@@ -149,7 +147,6 @@ if (! $mesg)
     $px2->SetYLabel($langs->trans("AmountOfinterventions"));
     $px2->SetShading(3);
     $px2->SetHorizTickIncrement(1);
-    $px2->SetPrecisionY(0);
     $px2->mode='depth';
     $px2->SetTitle($langs->trans("AmountOfinterventionsByMonthHT"));
 
@@ -189,7 +186,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/product/stats/card.php b/htdocs/product/stats/card.php
index 399cc59b7c2..62209d568df 100644
--- a/htdocs/product/stats/card.php
+++ b/htdocs/product/stats/card.php
@@ -336,7 +336,6 @@ if ($result || empty($id))
 					$px->SetWidth($WIDTH);
 					$px->SetHeight($HEIGHT);
 					$px->SetHorizTickIncrement(1);
-					$px->SetPrecisionY(0);
 					$px->SetShading(3);
 					//print 'x '.$key.' '.$graphfiles[$key]['file'];
 
diff --git a/htdocs/projet/stats/index.php b/htdocs/projet/stats/index.php
index cfacde6566b..02d8f641952 100644
--- a/htdocs/projet/stats/index.php
+++ b/htdocs/projet/stats/index.php
@@ -115,7 +115,6 @@ $px->SetDataColor(array (
 							220
 					)
 			));
-			$px->SetPrecisionY(0);
 			$px->SetLegend($legend);
 			$px->setShowLegend(0);
 			$px->setShowPointValue($showpointvalue);
@@ -126,7 +125,7 @@ $px->SetDataColor(array (
 			$px->SetShading(3);
 			$px->SetHorizTickIncrement(1);
 			$px->SetCssPrefix("cssboxes");
-$px->SetType(array (
+			$px->SetType(array (
 					'pie'
 			));
 			$px->SetTitle($langs->trans('OpportunitiesStatusForProjects'));
@@ -153,7 +152,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
 	$px1->SetData($data);
-	$px1->SetPrecisionY(0);
 	$i=$startyear;$legend=array();
 	while ($i <= $endyear)
 	{
@@ -167,7 +165,6 @@ if (! $mesg)
 	$px1->SetYLabel($langs->trans("ProjectNbProject"));
 	$px1->SetShading(3);
 	$px1->SetHorizTickIncrement(1);
-	$px1->SetPrecisionY(0);
 	$px1->mode='depth';
 	$px1->SetTitle($langs->trans("ProjectNbProjectByMonth"));
 
@@ -204,7 +201,6 @@ if (! empty($conf->global->PROJECT_USE_OPPORTUNITIES))
 		$px2->SetYLabel($langs->trans("ProjectOppAmountOfProjectsByMonth"));
 		$px2->SetShading(3);
 		$px2->SetHorizTickIncrement(1);
-		$px2->SetPrecisionY(0);
 		$px2->mode='depth';
 		$px2->SetTitle($langs->trans("ProjectOppAmountOfProjectsByMonth"));
 
@@ -241,7 +237,6 @@ if (! empty($conf->global->PROJECT_USE_OPPORTUNITIES))
 		$px3->SetYLabel($langs->trans("ProjectWeightedOppAmountOfProjectsByMonth"));
 		$px3->SetShading(3);
 		$px3->SetHorizTickIncrement(1);
-		$px3->SetPrecisionY(0);
 		$px3->mode='depth';
 		$px3->SetTitle($langs->trans("ProjectWeightedOppAmountOfProjectsByMonth"));
 
diff --git a/htdocs/projet/tasks/stats/index.php b/htdocs/projet/tasks/stats/index.php
index 3cae0571e6a..dd13ee7680f 100644
--- a/htdocs/projet/tasks/stats/index.php
+++ b/htdocs/projet/tasks/stats/index.php
@@ -92,7 +92,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
 	$px1->SetData($data);
-	$px1->SetPrecisionY(0);
 	$i=$startyear;$legend=array();
 	while ($i <= $endyear)
 	{
@@ -106,7 +105,6 @@ if (! $mesg)
 	$px1->SetYLabel($langs->trans("ProjectNbTask"));
 	$px1->SetShading(3);
 	$px1->SetHorizTickIncrement(1);
-	$px1->SetPrecisionY(0);
 	$px1->mode='depth';
 	$px1->SetTitle($langs->trans("ProjectNbTaskByMonth"));
 
diff --git a/htdocs/reception/stats/index.php b/htdocs/reception/stats/index.php
index cbffa3ef177..4bc98312902 100644
--- a/htdocs/reception/stats/index.php
+++ b/htdocs/reception/stats/index.php
@@ -88,7 +88,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
     $px1->SetData($data);
-    $px1->SetPrecisionY(0);
     $i=$startyear;$legend=array();
     while ($i <= $endyear)
     {
@@ -103,7 +102,6 @@ if (! $mesg)
     $px1->SetYLabel($langs->trans("NbOfReceptions"));
     $px1->SetShading(3);
     $px1->SetHorizTickIncrement(1);
-    $px1->SetPrecisionY(0);
     $px1->mode='depth';
     $px1->SetTitle($langs->trans("NumberOfReceptionsByMonth"));
 
@@ -144,7 +142,6 @@ if (! $mesg)
     $px2->SetYLabel($langs->trans("AmountOfReceptions"));
     $px2->SetShading(3);
     $px2->SetHorizTickIncrement(1);
-    $px2->SetPrecisionY(0);
     $px2->mode='depth';
     $px2->SetTitle($langs->trans("AmountOfReceptionsByMonthHT"));
 
@@ -183,7 +180,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));
 
diff --git a/htdocs/reception/stats/month.php b/htdocs/reception/stats/month.php
index 84eb9126464..f2afcfd9267 100644
--- a/htdocs/reception/stats/month.php
+++ b/htdocs/reception/stats/month.php
@@ -60,7 +60,6 @@ if (! $mesg)
     $px->SetYLabel($langs->trans("NbOfOrders"));
     $px->SetShading(3);
 	$px->SetHorizTickIncrement(1);
-	$px->SetPrecisionY(0);
     $px->draw($filename, $fileurl);
 }
 
diff --git a/htdocs/ticket/index.php b/htdocs/ticket/index.php
index d3466f40dc3..a5361ec6f59 100644
--- a/htdocs/ticket/index.php
+++ b/htdocs/ticket/index.php
@@ -231,7 +231,6 @@ if (! empty($dataseries) && count($dataseries) > 1) {
     if (!$mesg) {
         $px1->SetData($data);
         unset($data1);
-        $px1->SetPrecisionY(0);
         $i = $startyear;
         $legend = array();
         while ($i <= $endyear) {
@@ -246,7 +245,6 @@ if (! empty($dataseries) && count($dataseries) > 1) {
         $px1->SetYLabel($langs->trans("TicketStatByStatus"));
         $px1->SetShading(3);
         $px1->SetHorizTickIncrement(1);
-        $px1->SetPrecisionY(0);
         $px1->SetCssPrefix("cssboxes");
         $px1->mode = 'depth';
         //$px1->SetTitle($langs->trans("TicketStatByStatus"));
diff --git a/htdocs/ticket/stats/index.php b/htdocs/ticket/stats/index.php
index 3990540ab9d..775e5d522a5 100644
--- a/htdocs/ticket/stats/index.php
+++ b/htdocs/ticket/stats/index.php
@@ -96,7 +96,6 @@ $mesg = $px1->isGraphKo();
 if (! $mesg)
 {
     $px1->SetData($data);
-    $px1->SetPrecisionY(0);
     $i=$startyear;$legend=array();
     while ($i <= $endyear)
     {
@@ -111,7 +110,6 @@ if (! $mesg)
     $px1->SetYLabel($langs->trans("NbOfTicket"));
     $px1->SetShading(3);
     $px1->SetHorizTickIncrement(1);
-    $px1->SetPrecisionY(0);
     $px1->mode='depth';
     $px1->SetTitle($langs->trans("NumberOfTicketsByMonth"));
 
@@ -153,7 +151,6 @@ if (! $mesg)
     $px2->SetYLabel($langs->trans("AmountOfTickets"));
     $px2->SetShading(3);
     $px2->SetHorizTickIncrement(1);
-    $px2->SetPrecisionY(0);
     $px2->mode='depth';
     $px2->SetTitle($langs->trans("AmountOfTicketsByMonthHT"));
 
@@ -193,7 +190,6 @@ if (! $mesg)
     $px3->SetHeight($HEIGHT);
     $px3->SetShading(3);
     $px3->SetHorizTickIncrement(1);
-    $px3->SetPrecisionY(0);
     $px3->mode='depth';
     $px3->SetTitle($langs->trans("AmountAverage"));