diff --git a/Classes/PHPExcel/Calculation.php b/Classes/PHPExcel/Calculation.php
index cbf09545..a1060ae6 100644
--- a/Classes/PHPExcel/Calculation.php
+++ b/Classes/PHPExcel/Calculation.php
@@ -192,7 +192,7 @@ class PHPExcel_Calculation {
 												 );
 	private static $_localeArgumentSeparator = ',';
 	private static $_localeFunctions = array();
-	private static $_localeBoolean = array(	'TRUE'	=> 'TRUE',
+	public static $_localeBoolean = array(	'TRUE'	=> 'TRUE',
 											'FALSE'	=> 'FALSE',
 											'NULL'	=> 'NULL'
 										  );
@@ -1686,6 +1686,26 @@ class PHPExcel_Calculation {
 	}	//	function __clone()
 
 
+	/**
+	 *	Return the locale-specific translation of TRUE
+	 *
+	 *	@access	public
+	 *	@return	 string		locale-specific translation of TRUE
+	 */
+	public static function getTRUE() {
+		return self::$_localeBoolean['TRUE'];
+	}
+
+	/**
+	 *	Return the locale-specific translation of FALSE
+	 *
+	 *	@access	public
+	 *	@return	 string		locale-specific translation of FALSE
+	 */
+	public static function getFALSE() {
+		return self::$_localeBoolean['FALSE'];
+	}
+
 	/**
 	 *	Set the Array Return Type (Array or Value of first element in the array)
 	 *
diff --git a/Classes/PHPExcel/Cell/AdvancedValueBinder.php b/Classes/PHPExcel/Cell/AdvancedValueBinder.php
index 5bee95d7..7ec6ecc7 100644
--- a/Classes/PHPExcel/Cell/AdvancedValueBinder.php
+++ b/Classes/PHPExcel/Cell/AdvancedValueBinder.php
@@ -54,6 +54,15 @@ class PHPExcel_Cell_AdvancedValueBinder extends PHPExcel_Cell_DefaultValueBinder
 
 		// Style logic - strings
 		if ($dataType === PHPExcel_Cell_DataType::TYPE_STRING && !$value instanceof PHPExcel_RichText) {
+			//	Test for booleans using locale-setting
+			if ($value == PHPExcel_Calculation::getTRUE()) {
+				$cell->setValueExplicit( True, PHPExcel_Cell_DataType::TYPE_BOOL);
+				return true;
+			} elseif($value == PHPExcel_Calculation::getFALSE()) {
+				$cell->setValueExplicit( False, PHPExcel_Cell_DataType::TYPE_BOOL);
+				return true;
+			}
+
 			// Check for number in scientific format
 			if (preg_match('/^'.PHPExcel_Calculation::CALCULATION_REGEXP_NUMBER.'$/', $value)) {
 				$cell->setValueExplicit( (float) $value, PHPExcel_Cell_DataType::TYPE_NUMERIC);
diff --git a/changelog.txt b/changelog.txt
index e6bcfa5b..05adfc17 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -30,6 +30,7 @@ Fixed in SVN:
 - Feature:  (MBaker) Support for Extended Workbook Properties in Excel2007, Excel5 and OOCalc Readers; support for User-defined Workbook Properties in Excel2007 and OOCalc Readers
 - Feature:  (MBaker) Support for Extended and User-defined Workbook Properties in Excel2007 Writer
 - Feature:  (MBaker) Provided a setGenerateSheetNavigationBlock(false); option to suppress generation of the sheet navigation block when writing multiple worksheets to HTML
+- Feature:  (MBaker) Advanced Value Binder now recognises TRUE/FALSE strings (locale-specific) and converts to boolean
 - Bugfix:   (Progi1984) Workitem 7895 - Excel5 : Formula : Percent
 - Bugfix:   (MB) Work item 14143 - NA() doesn't propagate in matrix calc - quick fix in JAMA/Matrix.php
 - Bugfix:   (Progi1984) Workitem 7895 - Excel5 : Formula : Error constant