diff --git a/lib/roo/excelx/cell/number.rb b/lib/roo/excelx/cell/number.rb
index 5cdec5eb..c071170b 100644
--- a/lib/roo/excelx/cell/number.rb
+++ b/lib/roo/excelx/cell/number.rb
@@ -28,14 +28,14 @@ def create_numeric(number)
           end
         end
 
-        def formatted_value
-          return @cell_value if Excelx::ERROR_VALUES.include?(@cell_value)
+        def formatted_value(format = @format, cell_value = @cell_value)
+          return cell_value if Excelx::ERROR_VALUES.include?(cell_value)
 
-          formatter = generate_formatter(@format)
+          formatter = generate_formatter(format)
           if formatter.is_a? Proc
-            formatter.call(@cell_value)
+            formatter.call(cell_value)
           else
-            Kernel.format(formatter, @cell_value)
+            Kernel.format(formatter, cell_value)
           end
         end
 
@@ -76,6 +76,11 @@ def generate_formatter(format)
               formatted_number = generate_formatter($2).call(number)
               "#{$1}#{formatted_number}"
             end
+          when /^([^\\]+)\\?\s*\[\$([A-Z]+)\]$/ # 0.00\\ [$EUR]
+            proc do |number|
+              formatted_number = formatted_value($1, number)
+              "#{formatted_number} #{$2}"
+            end
           else
             raise "Unknown format: #{format.inspect}"
           end
diff --git a/test/excelx/cell/test_number.rb b/test/excelx/cell/test_number.rb
index 58c9ff7f..43c538dd 100644
--- a/test/excelx/cell/test_number.rb
+++ b/test/excelx/cell/test_number.rb
@@ -81,7 +81,8 @@ def test_formats
       ['#,##0.00;[Red](#,##0.00)', '1,042.00'],
       ['##0.0E+0', '1.0E+03'],
       ["_-* #,##0.00\\ _€_-;\\-* #,##0.00\\ _€_-;_-* \"-\"??\\ _€_-;_-@_-", '1,042.00'],
-      ['@', '1042']
+      ['@', '1042'],
+      ['0.00\\ [$EUR]', '1042.00 EUR']
     ].each do |style_format, result|
       cell = Roo::Excelx::Cell::Number.new '1042', nil, [style_format], nil, nil, nil
       assert_equal result, cell.formatted_value, "Style=#{style_format}"