diff --git a/Documentation/Examples/Calculations/Database/DAVERAGE.php b/Documentation/Examples/Calculations/Database/DAVERAGE.php
index b6f3597..387e1a9 100644
--- a/Documentation/Examples/Calculations/Database/DAVERAGE.php
+++ b/Documentation/Examples/Calculations/Database/DAVERAGE.php
@@ -11,13 +11,13 @@ date_default_timezone_set('Europe/London');
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
 
-<title>PHPExcel Reader Example #01</title>
+<title>PHPExcel Calculation Examples</title>
 
 </head>
 <body>
 
-<h1>PHPExcel Calculation Example </h1>
-<h2>Database  Formulae</h2>
+<h1>PHPExcel Calculation Example</h1>
+<h2>Database Formulae</h2>
 <h3>DAVERAGE</h3>
 <?php
 
@@ -28,10 +28,11 @@ set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/');
 include 'PHPExcel.php';
 
 
+// Create new PHPExcel object
 $objPHPExcel = new PHPExcel();
-
 $worksheet = $objPHPExcel->getActiveSheet();
 
+// Add some data
 $database = array( array( 'Tree',  'Height', 'Age', 'Yield', 'Profit' ),
                    array( 'Apple',  18,       20,    14,      105.00  ),
                    array( 'Pear',   12,       12,    10,       96.00  ),
@@ -40,7 +41,7 @@ $database = array( array( 'Tree',  'Height', 'Age', 'Yield', 'Profit' ),
                    array( 'Pear',    9,        8,     8,       76.80  ),
                    array( 'Apple',   8,        9,     6,       45.00  ),
                  );
-$criteria = array( array( 'Tree',          'Height', 'Age', 'Yield', 'Profit', 'Height' ),
+$criteria = array( array( 'Tree',      'Height', 'Age', 'Yield', 'Profit', 'Height' ),
                    array( '="=Apple"', '>10',    NULL,  NULL,    NULL,     '<16'    ),
                    array( '="=Pear"',  NULL,     NULL,  NULL,    NULL,     NULL     )
                  );
@@ -48,7 +49,7 @@ $criteria = array( array( 'Tree',          'Height', 'Age', 'Yield', 'Profit', '
 $worksheet->fromArray( $criteria, NULL, 'A1' );
 $worksheet->fromArray( $database, NULL, 'A4' );
 
-$worksheet->setCellValue('A12', 'The Average yield of apple trees over 10\' in height');
+$worksheet->setCellValue('A12', 'The Average yield of Apple trees over 10\' in height');
 $worksheet->setCellValue('B12', '=DAVERAGE(A4:E10,"Yield",A1:B2)');
 
 $worksheet->setCellValue('A13', 'The Average age of all Apple and Pear trees in the orchard');
@@ -66,6 +67,8 @@ var_dump($databaseData);
 
 echo '<hr />';
 
+
+// Test the formulae
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:B2',null,true,true,true);
diff --git a/Documentation/Examples/Calculations/Database/DCOUNT.php b/Documentation/Examples/Calculations/Database/DCOUNT.php
new file mode 100644
index 0000000..bc2a1df
--- /dev/null
+++ b/Documentation/Examples/Calculations/Database/DCOUNT.php
@@ -0,0 +1,91 @@
+<?php
+
+error_reporting(E_ALL);
+set_time_limit(0);
+
+date_default_timezone_set('Europe/London');
+
+
+?>
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+
+<title>PHPExcel Calculation Examples</title>
+
+</head>
+<body>
+
+<h1>PHPExcel Calculation Example </h1>
+<h2>Database Formulae</h2>
+<h3>DCOUNT</h3>
+<?php
+
+/** Include path **/
+set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/');
+
+/** PHPExcel_IOFactory */
+include 'PHPExcel.php';
+
+
+// Create new PHPExcel object
+$objPHPExcel = new PHPExcel();
+$worksheet = $objPHPExcel->getActiveSheet();
+
+// Add some data
+$database = array( array( 'Tree',  'Height', 'Age', 'Yield', 'Profit' ),
+                   array( 'Apple',  18,       20,    14,      105.00  ),
+                   array( 'Pear',   12,       12,    10,       96.00  ),
+                   array( 'Cherry', 13,       14,     9,      105.00  ),
+                   array( 'Apple',  14,       15,    10,       75.00  ),
+                   array( 'Pear',    9,        8,     8,       76.80  ),
+                   array( 'Apple',   8,        9,     6,       45.00  ),
+                 );
+$criteria = array( array( 'Tree',      'Height', 'Age', 'Yield', 'Profit', 'Height' ),
+                   array( '="=Apple"', '>10',    NULL,  NULL,    NULL,     '<16'    ),
+                   array( '="=Pear"',  NULL,     NULL,  NULL,    NULL,     NULL     )
+                 );
+
+$worksheet->fromArray( $criteria, NULL, 'A1' );
+$worksheet->fromArray( $database, NULL, 'A4' );
+
+$worksheet->setCellValue('A12', 'The Number of Apple trees over 10\' in height');
+$worksheet->setCellValue('B12', '=DCOUNT(A4:E10,"Yield",A1:B2)');
+
+$worksheet->setCellValue('A13', 'The Number of Apple and Pear trees in the orchard');
+$worksheet->setCellValue('B13', '=DCOUNT(A4:E10,3,A1:A3)');
+
+
+echo '<hr />';
+
+
+echo '<h4>Database</h4>';
+
+$databaseData = $worksheet->rangeToArray('A4:E10',null,true,true,true);
+var_dump($databaseData);
+
+
+echo '<hr />';
+
+
+// Test the formulae
+echo '<h4>Criteria</h4>';
+
+$criteriaData = $worksheet->rangeToArray('A1:B2',null,true,true,true);
+var_dump($criteriaData);
+
+echo $worksheet->getCell("A12")->getValue() .'<br />';
+echo 'DCOUNT() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+
+echo '<h4>Criteria</h4>';
+
+$criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
+var_dump($criteriaData);
+
+echo $worksheet->getCell("A13")->getValue() .'<br />';
+echo 'DCOUNT() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+
+
+?>
+<body>
+</html>
\ No newline at end of file
diff --git a/Documentation/Examples/Calculations/DateTime/DATE.php b/Documentation/Examples/Calculations/DateTime/DATE.php
new file mode 100644
index 0000000..431b267
--- /dev/null
+++ b/Documentation/Examples/Calculations/DateTime/DATE.php
@@ -0,0 +1,84 @@
+<?php
+
+error_reporting(E_ALL);
+set_time_limit(0);
+
+date_default_timezone_set('Europe/London');
+
+
+?>
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+
+<title>PHPExcel Calculation Examples</title>
+
+</head>
+<body>
+
+<h1>PHPExcel Calculation Example</h1>
+<h2>Data/Time Formulae</h2>
+<h3>DATE</h3>
+<?php
+
+/** Include path **/
+set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/');
+
+/** PHPExcel_IOFactory */
+include 'PHPExcel.php';
+
+
+// Create new PHPExcel object
+$objPHPExcel = new PHPExcel();
+$worksheet = $objPHPExcel->getActiveSheet();
+
+// Add some data
+$testDates = array(	array(2012,3,26),	array(2012,2,29),	array(2012,4,1),	array(2012,12,25),
+					array(2012,10,31),	array(2012,11,5),	array(2012,1,1),	array(2012,3,17),
+					array(2011,2,29),	array(7,5,3),		array(2012,13,1),	array(2012,11,45),
+					array(2012,0,0),	array(2012,1,0),	array(2012,0,1),
+					array(2012,-2,2),	array(2012,2,-2),	array(2012,-2,-2),
+				  );
+$testDateCount = count($testDates);
+
+$worksheet->fromArray($testDates,NULL,'A1',true);
+
+for ($row = 1; $row <= $testDateCount; ++$row) {
+	$worksheet->setCellValue('D'.$row, '=DATE(A'.$row.',B'.$row.',C'.$row.')');
+	$worksheet->setCellValue('E'.$row, '=D'.$row);
+}
+$worksheet->getStyle('E1:E'.$testDateCount)
+          ->getNumberFormat()
+          ->setFormatCode('yyyy-mmm-dd');
+
+
+echo '<hr />';
+
+
+// Test the formulae
+?>
+<table border="1" cellspacing="0">
+	<tr>
+		<th colspan="3">Date Value</th>
+		<th rowspan="2" valign="bottom">Formula</th>
+		<th rowspan="2" valign="bottom">Excel DateStamp</th>
+		<th rowspan="2" valign="bottom">Formatted DateStamp</th>
+	</tr>
+	<tr>
+		<th>Year</th>
+		<th>Month</th>
+		<th>Day</th>
+	<tr>
+	<?php
+	for ($row = 1; $row <= $testDateCount; ++$row) {
+		echo '<tr>';
+		    echo '<td>' , $worksheet->getCell('A'.$row)->getFormattedValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('B'.$row)->getFormattedValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('C'.$row)->getFormattedValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('D'.$row)->getValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('D'.$row)->getFormattedValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('E'.$row)->getFormattedValue() , '</td>';
+		echo '</tr>';
+	}
+	?>
+</table>
\ No newline at end of file
diff --git a/Documentation/Examples/Calculations/DateTime/DATEVALUE.php b/Documentation/Examples/Calculations/DateTime/DATEVALUE.php
new file mode 100644
index 0000000..3af84ab
--- /dev/null
+++ b/Documentation/Examples/Calculations/DateTime/DATEVALUE.php
@@ -0,0 +1,77 @@
+<?php
+
+error_reporting(E_ALL);
+set_time_limit(0);
+
+date_default_timezone_set('Europe/London');
+
+
+?>
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+
+<title>PHPExcel Calculation Examples</title>
+
+</head>
+<body>
+
+<h1>PHPExcel Calculation Example</h1>
+<h2>Data/Time Formulae</h2>
+<h3>DATEVALUE</h3>
+<?php
+
+/** Include path **/
+set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/');
+
+/** PHPExcel_IOFactory */
+include 'PHPExcel.php';
+
+
+// Create new PHPExcel object
+$objPHPExcel = new PHPExcel();
+$worksheet = $objPHPExcel->getActiveSheet();
+
+// Add some data
+$testDates = array(	'26 March 2012',	'29 Feb 2012',	'April 1, 2012',	'25/12/2012',
+					'2012-Oct-31',		'5th November',	'January 1st',		'April 2012',
+					'17-03',			'03-2012',		'29 Feb 2011',		'03-05-07',
+					'03-MAY-07',		'03-13-07',
+				  );
+$testDateCount = count($testDates);
+
+for($row = 1; $row <= $testDateCount; ++$row) {
+	$worksheet->setCellValue('A'.$row, $testDates[$row-1]);
+	$worksheet->setCellValue('B'.$row, '=DATEVALUE(A'.$row.')');
+	$worksheet->setCellValue('C'.$row, '=B'.$row);
+}
+
+$worksheet->getStyle('C1:C'.$testDateCount)
+          ->getNumberFormat()
+          ->setFormatCode('yyyy-mmm-dd');
+
+
+echo '<hr />';
+
+
+// Test the formulae
+?>
+<p><strong>Warning: </strong>The PHPExcel DATEVALUE() function accepts a wider range of date formats than MS Excel's DATEFORMAT() function.</p>
+<table border="1" cellspacing="0">
+	<tr>
+		<th>Date String</th>
+		<th>Formula</th>
+		<th>Excel DateStamp</th>
+		<th>Formatted DateStamp</th>
+	</tr>
+	<?php
+	for ($row = 1; $row <= $testDateCount; ++$row) {
+		echo '<tr>';
+		    echo '<td>' , $worksheet->getCell('A'.$row)->getFormattedValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('B'.$row)->getValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('B'.$row)->getFormattedValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('C'.$row)->getFormattedValue() , '</td>';
+		echo '</tr>';
+	}
+	?>
+</table>
\ No newline at end of file
diff --git a/Documentation/Examples/Calculations/DateTime/TIMEVALUE.php b/Documentation/Examples/Calculations/DateTime/TIMEVALUE.php
new file mode 100644
index 0000000..d7ed2cd
--- /dev/null
+++ b/Documentation/Examples/Calculations/DateTime/TIMEVALUE.php
@@ -0,0 +1,73 @@
+<?php
+
+error_reporting(E_ALL);
+set_time_limit(0);
+
+date_default_timezone_set('Europe/London');
+
+
+?>
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+
+<title>PHPExcel Calculation Examples</title>
+
+</head>
+<body>
+
+<h1>PHPExcel Calculation Example</h1>
+<h2>Data/Time Formulae</h2>
+<h3>TIMEVALUE</h3>
+<?php
+
+/** Include path **/
+set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/');
+
+/** PHPExcel_IOFactory */
+include 'PHPExcel.php';
+
+
+// Create new PHPExcel object
+$objPHPExcel = new PHPExcel();
+$worksheet = $objPHPExcel->getActiveSheet();
+
+// Add some data
+$testDates = array(	'3:15',	'13:15',	'15:15:15',	'3:15 AM',	'3:15 PM',	'5PM',	'9:15AM',	'13:15AM'
+				  );
+$testDateCount = count($testDates);
+
+for($row = 1; $row <= $testDateCount; ++$row) {
+	$worksheet->setCellValue('A'.$row, $testDates[$row-1]);
+	$worksheet->setCellValue('B'.$row, '=TIMEVALUE(A'.$row.')');
+	$worksheet->setCellValue('C'.$row, '=B'.$row);
+}
+
+$worksheet->getStyle('C1:C'.$testDateCount)
+          ->getNumberFormat()
+          ->setFormatCode('hh:mm:ss');
+
+
+echo '<hr />';
+
+
+// Test the formulae
+?>
+<table border="1" cellspacing="0">
+	<tr>
+		<th>Time String</th>
+		<th>Formula</th>
+		<th>Excel TimeStamp</th>
+		<th>Formatted TimeStamp</th>
+	</tr>
+	<?php
+	for ($row = 1; $row <= $testDateCount; ++$row) {
+		echo '<tr>';
+		    echo '<td>' , $worksheet->getCell('A'.$row)->getFormattedValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('B'.$row)->getValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('B'.$row)->getFormattedValue() , '</td>';
+			echo '<td>' , $worksheet->getCell('C'.$row)->getFormattedValue() , '</td>';
+		echo '</tr>';
+	}
+	?>
+</table>
\ No newline at end of file

Date Value			Formula	Excel DateStamp	Formatted DateStamp
Year	Month	Day	Formula	Excel DateStamp	Formatted DateStamp
' , $worksheet->getCell('A'.$row)->getFormattedValue() , '	' , $worksheet->getCell('B'.$row)->getFormattedValue() , '	' , $worksheet->getCell('C'.$row)->getFormattedValue() , '	' , $worksheet->getCell('D'.$row)->getValue() , '	' , $worksheet->getCell('D'.$row)->getFormattedValue() , '	' , $worksheet->getCell('E'.$row)->getFormattedValue() , '