diff --git a/Examples/33chartcreate-radar.php b/Examples/33chartcreate-radar.php
index d32e2c98..bf1af255 100644
--- a/Examples/33chartcreate-radar.php
+++ b/Examples/33chartcreate-radar.php
@@ -97,14 +97,15 @@ $dataSeriesValues = array(
 
 //	Build the dataseries
 $series = new \PHPExcel\Chart\DataSeries(
-	\PHPExcel\Chart\DataSeries::TYPE_RADARCHART,				// plotType
-	NULL,													// plotGrouping (Radar charts don't have any grouping)
-	range(0, count($dataSeriesValues)-1),					// plotOrder
-	$dataSeriesLabels,										// plotLabel
-	$xAxisTickValues,										// plotCategory
-	$dataSeriesValues,										// plotValues
-	NULL,													// smooth line
-	\PHPExcel\Chart\DataSeries::STYLE_MARKER					// plotStyle
+	\PHPExcel\Chart\DataSeries::TYPE_RADARCHART,	// plotType
+	NULL,											// plotGrouping (Radar charts don't have any grouping)
+	range(0, count($dataSeriesValues)-1),			// plotOrder
+	$dataSeriesLabels,								// plotLabel
+	$xAxisTickValues,								// plotCategory
+	$dataSeriesValues,								// plotValues
+    NULL,                                           // plotDirection
+	NULL,											// smooth line
+	\PHPExcel\Chart\DataSeries::STYLE_MARKER		// plotStyle
 );
 
 //	Set up a layout object for the Pie chart
diff --git a/Examples/33chartcreate-scatter.php b/Examples/33chartcreate-scatter.php
index ca742d85..c23b063a 100644
--- a/Examples/33chartcreate-scatter.php
+++ b/Examples/33chartcreate-scatter.php
@@ -89,6 +89,7 @@ $series = new \PHPExcel\Chart\DataSeries(
 	$dataSeriesLabels,								// plotLabel
 	$xAxisTickValues,								// plotCategory
 	$dataSeriesValues,								// plotValues
+    NULL,                                           // plotDirection
 	NULL,											// smooth line
 	\PHPExcel\Chart\DataSeries::STYLE_LINEMARKER		// plotStyle
 );
diff --git a/src/PhpSpreadsheet/Shared/Date.php b/src/PhpSpreadsheet/Shared/Date.php
index a6189d86..8069a7db 100644
--- a/src/PhpSpreadsheet/Shared/Date.php
+++ b/src/PhpSpreadsheet/Shared/Date.php
@@ -40,7 +40,7 @@ class Date
      * @private
      * @var    int
      */
-    protected static $excelBaseDate = self::CALENDAR_WINDOWS_1900;
+    protected static $excelCalendar = self::CALENDAR_WINDOWS_1900;
 
     /*
      * Default timezone to use for DateTime objects
@@ -132,7 +132,7 @@ class Date
      */
 	public static function excelToDateTimeObject($excelTimestamp = 0, $timeZone = null) {
         $timeZone = ($timeZone === null) ? self::getDefaultTimezone() : self::validateTimeZone($timeZone);
-        if (self::$excelBaseDate == self::CALENDAR_WINDOWS_1900) {
+        if (self::$excelCalendar == self::CALENDAR_WINDOWS_1900) {
             $baseDate = ($excelTimestamp < 60) ? new \DateTime('1899-12-31', $timeZone) : new \DateTime('1899-12-30', $timeZone);
         } else {
             $baseDate = new \DateTime('1904-01-01', $timeZone);
@@ -159,7 +159,7 @@ class Date
      * @throws    \Exception
      */
 	public static function excelToTimestamp($excelTimestampexcelTimestamp = 0, $timeZone = null) {
-	    return self::excelToTimestamp($excelTimestamp, $timeZone)
+	    return self::excelToDateTimeObject($excelTimestamp, $timeZone)
             ->format('U');
 	}
 
@@ -212,7 +212,7 @@ class Date
      */
     public static function formattedPHPToExcel($year, $month, $day, $hours = 0, $minutes = 0, $seconds = 0)
     {
-        if (self::$excelBaseDate == self::CALENDAR_WINDOWS_1900) {
+        if (self::$excelCalendar == self::CALENDAR_WINDOWS_1900) {
             //
             //    Fudge factor for the erroneous fact that the year 1900 is treated as a Leap Year in MS Excel
             //    This affects every date following 28th February 1900
diff --git a/src/PhpSpreadsheet/Spreadsheet.php b/src/PhpSpreadsheet/Spreadsheet.php
index 46d32a61..c2efc9f0 100644
--- a/src/PhpSpreadsheet/Spreadsheet.php
+++ b/src/PhpSpreadsheet/Spreadsheet.php
@@ -1,4 +1,4 @@
-<!----><?php
+<?php
 
 namespace PHPExcel;